Home / 2,657,908.90-3,987,446.55-860,875.30

Finding the Fourth Proportional to 2,657,908.90, 3,987,446.55 and 860,875.30

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Solution

The fourth proportional to 2,657,908.90, 3,987,446.55 and 860,875.30 is: 1,291,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,908.90 : 3,987,446.55 = 860,875.30 : x
  2. Step 2: Convert to fraction form
    2,657,908.90/3,987,446.55 = 860,875.30/x
  3. Step 3: Cross multiply
    2,657,908.90x = 3,987,446.55 × 860,875.30
  4. Step 4: Simplify right side
    2,657,908.90x = 3,432,694,244,965.22
  5. Step 5: Solve for x
    x = 3,432,694,244,965.22/2,657,908.90
  6. Step 6: Final answer
    x = 1,291,501.84

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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.