Home / 6,688,047.12-9,230,074.26-3,787,953.90

Finding the Fourth Proportional to 6,688,047.12, 9,230,074.26 and 3,787,953.90

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Solution

The fourth proportional to 6,688,047.12, 9,230,074.26 and 3,787,953.90 is: 5,227,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,047.12 : 9,230,074.26 = 3,787,953.90 : x
  2. Step 2: Convert to fraction form
    6,688,047.12/9,230,074.26 = 3,787,953.90/x
  3. Step 3: Cross multiply
    6,688,047.12x = 9,230,074.26 × 3,787,953.90
  4. Step 4: Simplify right side
    6,688,047.12x = 34,963,095,790,456.61
  5. Step 5: Solve for x
    x = 34,963,095,790,456.61/6,688,047.12
  6. Step 6: Final answer
    x = 5,227,698.78

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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.