Home / 2,390,983.65-3,586,690.85-771,790.87

Finding the Fourth Proportional to 2,390,983.65, 3,586,690.85 and 771,790.87

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Solution

The fourth proportional to 2,390,983.65, 3,586,690.85 and 771,790.87 is: 1,157,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,983.65 : 3,586,690.85 = 771,790.87 : x
  2. Step 2: Convert to fraction form
    2,390,983.65/3,586,690.85 = 771,790.87/x
  3. Step 3: Cross multiply
    2,390,983.65x = 3,586,690.85 × 771,790.87
  4. Step 4: Simplify right side
    2,390,983.65x = 2,768,175,268,766.50
  5. Step 5: Solve for x
    x = 2,768,175,268,766.50/2,390,983.65
  6. Step 6: Final answer
    x = 1,157,755.83

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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.