Home / 1,999,987.20-3,000,935.79-934,874.46

Finding the Fourth Proportional to 1,999,987.20, 3,000,935.79 and 934,874.46

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Solution

The fourth proportional to 1,999,987.20, 3,000,935.79 and 934,874.46 is: 1,402,758.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,987.20 : 3,000,935.79 = 934,874.46 : x
  2. Step 2: Convert to fraction form
    1,999,987.20/3,000,935.79 = 934,874.46/x
  3. Step 3: Cross multiply
    1,999,987.20x = 3,000,935.79 × 934,874.46
  4. Step 4: Simplify right side
    1,999,987.20x = 2,805,498,226,170.92
  5. Step 5: Solve for x
    x = 2,805,498,226,170.92/1,999,987.20
  6. Step 6: Final answer
    x = 1,402,758.09

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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.