Home / 5,370,709.12-7,410,711.36-3,078,448

Finding the Fourth Proportional to 5,370,709.12, 7,410,711.36 and 3,078,448

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Solution

The fourth proportional to 5,370,709.12, 7,410,711.36 and 3,078,448 is: 4,247,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370,709.12 : 7,410,711.36 = 3,078,448 : x
  2. Step 2: Convert to fraction form
    5,370,709.12/7,410,711.36 = 3,078,448/x
  3. Step 3: Cross multiply
    5,370,709.12x = 7,410,711.36 × 3,078,448
  4. Step 4: Simplify right side
    5,370,709.12x = 22,813,489,564,769.28
  5. Step 5: Solve for x
    x = 22,813,489,564,769.28/5,370,709.12
  6. Step 6: Final answer
    x = 4,247,761.15

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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.