Home / 6,867,387-10,298,592.18-3,078,919.80

Finding the Fourth Proportional to 6,867,387, 10,298,592.18 and 3,078,919.80

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Solution

The fourth proportional to 6,867,387, 10,298,592.18 and 3,078,919.80 is: 4,617,264.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867,387 : 10,298,592.18 = 3,078,919.80 : x
  2. Step 2: Convert to fraction form
    6,867,387/10,298,592.18 = 3,078,919.80/x
  3. Step 3: Cross multiply
    6,867,387x = 10,298,592.18 × 3,078,919.80
  4. Step 4: Simplify right side
    6,867,387x = 31,708,539,375,127.16
  5. Step 5: Solve for x
    x = 31,708,539,375,127.16/6,867,387
  6. Step 6: Final answer
    x = 4,617,264.09

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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.