Home / 4,815,251.16-7,217,784.18-1,780,667.16

Finding the Fourth Proportional to 4,815,251.16, 7,217,784.18 and 1,780,667.16

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Solution

The fourth proportional to 4,815,251.16, 7,217,784.18 and 1,780,667.16 is: 2,669,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,251.16 : 7,217,784.18 = 1,780,667.16 : x
  2. Step 2: Convert to fraction form
    4,815,251.16/7,217,784.18 = 1,780,667.16/x
  3. Step 3: Cross multiply
    4,815,251.16x = 7,217,784.18 × 1,780,667.16
  4. Step 4: Simplify right side
    4,815,251.16x = 12,852,471,257,293.53
  5. Step 5: Solve for x
    x = 12,852,471,257,293.53/4,815,251.16
  6. Step 6: Final answer
    x = 2,669,117.52

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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.