Home / 2,657,626.32-3,987,074.52-860,511.81

Finding the Fourth Proportional to 2,657,626.32, 3,987,074.52 and 860,511.81

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Solution

The fourth proportional to 2,657,626.32, 3,987,074.52 and 860,511.81 is: 1,290,973.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,626.32 : 3,987,074.52 = 860,511.81 : x
  2. Step 2: Convert to fraction form
    2,657,626.32/3,987,074.52 = 860,511.81/x
  3. Step 3: Cross multiply
    2,657,626.32x = 3,987,074.52 × 860,511.81
  4. Step 4: Simplify right side
    2,657,626.32x = 3,430,924,711,810.08
  5. Step 5: Solve for x
    x = 3,430,924,711,810.08/2,657,626.32
  6. Step 6: Final answer
    x = 1,290,973.33

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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.