Home / 3,900,780.16-5,851,730.04-1,205,340.64

Finding the Fourth Proportional to 3,900,780.16, 5,851,730.04 and 1,205,340.64

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Solution

The fourth proportional to 3,900,780.16, 5,851,730.04 and 1,205,340.64 is: 1,808,183.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,780.16 : 5,851,730.04 = 1,205,340.64 : x
  2. Step 2: Convert to fraction form
    3,900,780.16/5,851,730.04 = 1,205,340.64/x
  3. Step 3: Cross multiply
    3,900,780.16x = 5,851,730.04 × 1,205,340.64
  4. Step 4: Simplify right side
    3,900,780.16x = 7,053,328,031,520.83
  5. Step 5: Solve for x
    x = 7,053,328,031,520.83/3,900,780.16
  6. Step 6: Final answer
    x = 1,808,183.94

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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.