Home / 5,453,431.60-8,180,147.40-1,666,422.40

Finding the Fourth Proportional to 5,453,431.60, 8,180,147.40 and 1,666,422.40

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Solution

The fourth proportional to 5,453,431.60, 8,180,147.40 and 1,666,422.40 is: 2,499,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453,431.60 : 8,180,147.40 = 1,666,422.40 : x
  2. Step 2: Convert to fraction form
    5,453,431.60/8,180,147.40 = 1,666,422.40/x
  3. Step 3: Cross multiply
    5,453,431.60x = 8,180,147.40 × 1,666,422.40
  4. Step 4: Simplify right side
    5,453,431.60x = 13,631,580,862,661.76
  5. Step 5: Solve for x
    x = 13,631,580,862,661.76/5,453,431.60
  6. Step 6: Final answer
    x = 2,499,633.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.