Home / 2,657,672.47-3,987,090.11-860,737.58

Finding the Fourth Proportional to 2,657,672.47, 3,987,090.11 and 860,737.58

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Solution

The fourth proportional to 2,657,672.47, 3,987,090.11 and 860,737.58 is: 1,291,294.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,672.47 : 3,987,090.11 = 860,737.58 : x
  2. Step 2: Convert to fraction form
    2,657,672.47/3,987,090.11 = 860,737.58/x
  3. Step 3: Cross multiply
    2,657,672.47x = 3,987,090.11 × 860,737.58
  4. Step 4: Simplify right side
    2,657,672.47x = 3,431,838,292,523.33
  5. Step 5: Solve for x
    x = 3,431,838,292,523.33/2,657,672.47
  6. Step 6: Final answer
    x = 1,291,294.67

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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.