Home / 2,780,427.60-4,170,641.40-887,360.40

Finding the Fourth Proportional to 2,780,427.60, 4,170,641.40 and 887,360.40

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Solution

The fourth proportional to 2,780,427.60, 4,170,641.40 and 887,360.40 is: 1,331,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,427.60 : 4,170,641.40 = 887,360.40 : x
  2. Step 2: Convert to fraction form
    2,780,427.60/4,170,641.40 = 887,360.40/x
  3. Step 3: Cross multiply
    2,780,427.60x = 4,170,641.40 × 887,360.40
  4. Step 4: Simplify right side
    2,780,427.60x = 3,700,862,020,960.56
  5. Step 5: Solve for x
    x = 3,700,862,020,960.56/2,780,427.60
  6. Step 6: Final answer
    x = 1,331,040.60

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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.