Home / 5,139,337.46-7,092,046.77-2,816,216.18

Finding the Fourth Proportional to 5,139,337.46, 7,092,046.77 and 2,816,216.18

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Solution

The fourth proportional to 5,139,337.46, 7,092,046.77 and 2,816,216.18 is: 3,886,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139,337.46 : 7,092,046.77 = 2,816,216.18 : x
  2. Step 2: Convert to fraction form
    5,139,337.46/7,092,046.77 = 2,816,216.18/x
  3. Step 3: Cross multiply
    5,139,337.46x = 7,092,046.77 × 2,816,216.18
  4. Step 4: Simplify right side
    5,139,337.46x = 19,972,736,862,990.74
  5. Step 5: Solve for x
    x = 19,972,736,862,990.74/5,139,337.46
  6. Step 6: Final answer
    x = 3,886,247.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.