Home / 2,877,037.15-3,970,291.70-1,587,877.50

Finding the Fourth Proportional to 2,877,037.15, 3,970,291.70 and 1,587,877.50

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Solution

The fourth proportional to 2,877,037.15, 3,970,291.70 and 1,587,877.50 is: 2,191,260.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,037.15 : 3,970,291.70 = 1,587,877.50 : x
  2. Step 2: Convert to fraction form
    2,877,037.15/3,970,291.70 = 1,587,877.50/x
  3. Step 3: Cross multiply
    2,877,037.15x = 3,970,291.70 × 1,587,877.50
  4. Step 4: Simplify right side
    2,877,037.15x = 6,304,336,858,866.75
  5. Step 5: Solve for x
    x = 6,304,336,858,866.75/2,877,037.15
  6. Step 6: Final answer
    x = 2,191,260.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.