Home / 5,281,242.26-7,921,778.34-1,686,985.52

Finding the Fourth Proportional to 5,281,242.26, 7,921,778.34 and 1,686,985.52

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Solution

The fourth proportional to 5,281,242.26, 7,921,778.34 and 1,686,985.52 is: 2,530,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,242.26 : 7,921,778.34 = 1,686,985.52 : x
  2. Step 2: Convert to fraction form
    5,281,242.26/7,921,778.34 = 1,686,985.52/x
  3. Step 3: Cross multiply
    5,281,242.26x = 7,921,778.34 × 1,686,985.52
  4. Step 4: Simplify right side
    5,281,242.26x = 13,363,925,352,229.64
  5. Step 5: Solve for x
    x = 13,363,925,352,229.64/5,281,242.26
  6. Step 6: Final answer
    x = 2,530,451.11

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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.