Home / 3,451,688.16-5,178,279.61-1,321,772.35

Finding the Fourth Proportional to 3,451,688.16, 5,178,279.61 and 1,321,772.35

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Solution

The fourth proportional to 3,451,688.16, 5,178,279.61 and 1,321,772.35 is: 1,982,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451,688.16 : 5,178,279.61 = 1,321,772.35 : x
  2. Step 2: Convert to fraction form
    3,451,688.16/5,178,279.61 = 1,321,772.35/x
  3. Step 3: Cross multiply
    3,451,688.16x = 5,178,279.61 × 1,321,772.35
  4. Step 4: Simplify right side
    3,451,688.16x = 6,844,506,809,066.78
  5. Step 5: Solve for x
    x = 6,844,506,809,066.78/3,451,688.16
  6. Step 6: Final answer
    x = 1,982,944.72

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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.