Home / 2,646,490.73-3,970,064.15-753,379.79

Finding the Fourth Proportional to 2,646,490.73, 3,970,064.15 and 753,379.79

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Solution

The fourth proportional to 2,646,490.73, 3,970,064.15 and 753,379.79 is: 1,130,163.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,490.73 : 3,970,064.15 = 753,379.79 : x
  2. Step 2: Convert to fraction form
    2,646,490.73/3,970,064.15 = 753,379.79/x
  3. Step 3: Cross multiply
    2,646,490.73x = 3,970,064.15 × 753,379.79
  4. Step 4: Simplify right side
    2,646,490.73x = 2,990,966,095,613.53
  5. Step 5: Solve for x
    x = 2,990,966,095,613.53/2,646,490.73
  6. Step 6: Final answer
    x = 1,130,163.07

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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.