Home / 2,920,965.12-4,381,862.40-899,377.02

Finding the Fourth Proportional to 2,920,965.12, 4,381,862.40 and 899,377.02

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Solution

The fourth proportional to 2,920,965.12, 4,381,862.40 and 899,377.02 is: 1,349,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,965.12 : 4,381,862.40 = 899,377.02 : x
  2. Step 2: Convert to fraction form
    2,920,965.12/4,381,862.40 = 899,377.02/x
  3. Step 3: Cross multiply
    2,920,965.12x = 4,381,862.40 × 899,377.02
  4. Step 4: Simplify right side
    2,920,965.12x = 3,940,946,347,362.05
  5. Step 5: Solve for x
    x = 3,940,946,347,362.05/2,920,965.12
  6. Step 6: Final answer
    x = 1,349,193.22

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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.