Home / 5,472,511.20-8,208,021.60-1,429,315.20

Finding the Fourth Proportional to 5,472,511.20, 8,208,021.60 and 1,429,315.20

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Solution

The fourth proportional to 5,472,511.20, 8,208,021.60 and 1,429,315.20 is: 2,143,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472,511.20 : 8,208,021.60 = 1,429,315.20 : x
  2. Step 2: Convert to fraction form
    5,472,511.20/8,208,021.60 = 1,429,315.20/x
  3. Step 3: Cross multiply
    5,472,511.20x = 8,208,021.60 × 1,429,315.20
  4. Step 4: Simplify right side
    5,472,511.20x = 11,731,850,034,808.32
  5. Step 5: Solve for x
    x = 11,731,850,034,808.32/5,472,511.20
  6. Step 6: Final answer
    x = 2,143,778.17

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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.