Home / 2,803,610.42-4,205,355.28-781,800.50

Finding the Fourth Proportional to 2,803,610.42, 4,205,355.28 and 781,800.50

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Solution

The fourth proportional to 2,803,610.42, 4,205,355.28 and 781,800.50 is: 1,172,683.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,610.42 : 4,205,355.28 = 781,800.50 : x
  2. Step 2: Convert to fraction form
    2,803,610.42/4,205,355.28 = 781,800.50/x
  3. Step 3: Cross multiply
    2,803,610.42x = 4,205,355.28 × 781,800.50
  4. Step 4: Simplify right side
    2,803,610.42x = 3,287,748,853,370.45
  5. Step 5: Solve for x
    x = 3,287,748,853,370.45/2,803,610.42
  6. Step 6: Final answer
    x = 1,172,683.92

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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.