Home / 5,288,288.40-7,932,691.80-2,768,864.40

Finding the Fourth Proportional to 5,288,288.40, 7,932,691.80 and 2,768,864.40

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Solution

The fourth proportional to 5,288,288.40, 7,932,691.80 and 2,768,864.40 is: 4,153,432.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288,288.40 : 7,932,691.80 = 2,768,864.40 : x
  2. Step 2: Convert to fraction form
    5,288,288.40/7,932,691.80 = 2,768,864.40/x
  3. Step 3: Cross multiply
    5,288,288.40x = 7,932,691.80 × 2,768,864.40
  4. Step 4: Simplify right side
    5,288,288.40x = 21,964,547,921,191.92
  5. Step 5: Solve for x
    x = 21,964,547,921,191.92/5,288,288.40
  6. Step 6: Final answer
    x = 4,153,432.31

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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.