Home / 4,679,042.40-7,018,563.60-2,159,618.40

Finding the Fourth Proportional to 4,679,042.40, 7,018,563.60 and 2,159,618.40

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Solution

The fourth proportional to 4,679,042.40, 7,018,563.60 and 2,159,618.40 is: 3,239,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,042.40 : 7,018,563.60 = 2,159,618.40 : x
  2. Step 2: Convert to fraction form
    4,679,042.40/7,018,563.60 = 2,159,618.40/x
  3. Step 3: Cross multiply
    4,679,042.40x = 7,018,563.60 × 2,159,618.40
  4. Step 4: Simplify right side
    4,679,042.40x = 15,157,419,092,130.24
  5. Step 5: Solve for x
    x = 15,157,419,092,130.24/4,679,042.40
  6. Step 6: Final answer
    x = 3,239,427.60

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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.