Home / 5,216,188.29-7,823,443.16-1,428,785.73

Finding the Fourth Proportional to 5,216,188.29, 7,823,443.16 and 1,428,785.73

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Solution

The fourth proportional to 5,216,188.29, 7,823,443.16 and 1,428,785.73 is: 2,142,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216,188.29 : 7,823,443.16 = 1,428,785.73 : x
  2. Step 2: Convert to fraction form
    5,216,188.29/7,823,443.16 = 1,428,785.73/x
  3. Step 3: Cross multiply
    5,216,188.29x = 7,823,443.16 × 1,428,785.73
  4. Step 4: Simplify right side
    5,216,188.29x = 11,178,023,939,330.18
  5. Step 5: Solve for x
    x = 11,178,023,939,330.18/5,216,188.29
  6. Step 6: Final answer
    x = 2,142,948.70

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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.