Home / 3,138,797.13-4,708,173.02-2,078,584.89

Finding the Fourth Proportional to 3,138,797.13, 4,708,173.02 and 2,078,584.89

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Solution

The fourth proportional to 3,138,797.13, 4,708,173.02 and 2,078,584.89 is: 3,117,862.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,797.13 : 4,708,173.02 = 2,078,584.89 : x
  2. Step 2: Convert to fraction form
    3,138,797.13/4,708,173.02 = 2,078,584.89/x
  3. Step 3: Cross multiply
    3,138,797.13x = 4,708,173.02 × 2,078,584.89
  4. Step 4: Simplify right side
    3,138,797.13x = 9,786,337,288,484.74
  5. Step 5: Solve for x
    x = 9,786,337,288,484.74/3,138,797.13
  6. Step 6: Final answer
    x = 3,117,862.32

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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.