Home / 2,539,141.30-3,809,000.85-920,672.20

Finding the Fourth Proportional to 2,539,141.30, 3,809,000.85 and 920,672.20

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Solution

The fourth proportional to 2,539,141.30, 3,809,000.85 and 920,672.20 is: 1,381,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539,141.30 : 3,809,000.85 = 920,672.20 : x
  2. Step 2: Convert to fraction form
    2,539,141.30/3,809,000.85 = 920,672.20/x
  3. Step 3: Cross multiply
    2,539,141.30x = 3,809,000.85 × 920,672.20
  4. Step 4: Simplify right side
    2,539,141.30x = 3,506,841,192,371.37
  5. Step 5: Solve for x
    x = 3,506,841,192,371.37/2,539,141.30
  6. Step 6: Final answer
    x = 1,381,113.05

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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.