Home / 2,657,557.48-3,986,966.94-860,441.08

Finding the Fourth Proportional to 2,657,557.48, 3,986,966.94 and 860,441.08

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Solution

The fourth proportional to 2,657,557.48, 3,986,966.94 and 860,441.08 is: 1,290,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,557.48 : 3,986,966.94 = 860,441.08 : x
  2. Step 2: Convert to fraction form
    2,657,557.48/3,986,966.94 = 860,441.08/x
  3. Step 3: Cross multiply
    2,657,557.48x = 3,986,966.94 × 860,441.08
  4. Step 4: Simplify right side
    2,657,557.48x = 3,430,550,139,777.90
  5. Step 5: Solve for x
    x = 3,430,550,139,777.90/2,657,557.48
  6. Step 6: Final answer
    x = 1,290,865.83

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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.