Home / 3,012,138.60-4,521,707.10-1,815,412.20

Finding the Fourth Proportional to 3,012,138.60, 4,521,707.10 and 1,815,412.20

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Solution

The fourth proportional to 3,012,138.60, 4,521,707.10 and 1,815,412.20 is: 2,725,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,138.60 : 4,521,707.10 = 1,815,412.20 : x
  2. Step 2: Convert to fraction form
    3,012,138.60/4,521,707.10 = 1,815,412.20/x
  3. Step 3: Cross multiply
    3,012,138.60x = 4,521,707.10 × 1,815,412.20
  4. Step 4: Simplify right side
    3,012,138.60x = 8,208,762,234,166.62
  5. Step 5: Solve for x
    x = 8,208,762,234,166.62/3,012,138.60
  6. Step 6: Final answer
    x = 2,725,227.26

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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.