Home / 3,984,835.20-5,979,002.40-1,853,822.40

Finding the Fourth Proportional to 3,984,835.20, 5,979,002.40 and 1,853,822.40

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Solution

The fourth proportional to 3,984,835.20, 5,979,002.40 and 1,853,822.40 is: 2,781,547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984,835.20 : 5,979,002.40 = 1,853,822.40 : x
  2. Step 2: Convert to fraction form
    3,984,835.20/5,979,002.40 = 1,853,822.40/x
  3. Step 3: Cross multiply
    3,984,835.20x = 5,979,002.40 × 1,853,822.40
  4. Step 4: Simplify right side
    3,984,835.20x = 11,084,008,578,773.76
  5. Step 5: Solve for x
    x = 11,084,008,578,773.76/3,984,835.20
  6. Step 6: Final answer
    x = 2,781,547.55

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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.