Home / 5,254,346.90-7,881,853.32-2,221,147.46

Finding the Fourth Proportional to 5,254,346.90, 7,881,853.32 and 2,221,147.46

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Solution

The fourth proportional to 5,254,346.90, 7,881,853.32 and 2,221,147.46 is: 3,331,861.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254,346.90 : 7,881,853.32 = 2,221,147.46 : x
  2. Step 2: Convert to fraction form
    5,254,346.90/7,881,853.32 = 2,221,147.46/x
  3. Step 3: Cross multiply
    5,254,346.90x = 7,881,853.32 × 2,221,147.46
  4. Step 4: Simplify right side
    5,254,346.90x = 17,506,758,481,810.57
  5. Step 5: Solve for x
    x = 17,506,758,481,810.57/5,254,346.90
  6. Step 6: Final answer
    x = 3,331,861.94

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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.