Home / 3,397,272.87-4,688,430.54-1,947,209.85

Finding the Fourth Proportional to 3,397,272.87, 4,688,430.54 and 1,947,209.85

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Solution

The fourth proportional to 3,397,272.87, 4,688,430.54 and 1,947,209.85 is: 2,687,260.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397,272.87 : 4,688,430.54 = 1,947,209.85 : x
  2. Step 2: Convert to fraction form
    3,397,272.87/4,688,430.54 = 1,947,209.85/x
  3. Step 3: Cross multiply
    3,397,272.87x = 4,688,430.54 × 1,947,209.85
  4. Step 4: Simplify right side
    3,397,272.87x = 9,129,358,128,528.82
  5. Step 5: Solve for x
    x = 9,129,358,128,528.82/3,397,272.87
  6. Step 6: Final answer
    x = 2,687,260.78

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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.