Home / 1,912,129.32-2,864,583.98-1,480,587.65

Finding the Fourth Proportional to 1,912,129.32, 2,864,583.98 and 1,480,587.65

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Solution

The fourth proportional to 1,912,129.32, 2,864,583.98 and 1,480,587.65 is: 2,218,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,129.32 : 2,864,583.98 = 1,480,587.65 : x
  2. Step 2: Convert to fraction form
    1,912,129.32/2,864,583.98 = 1,480,587.65/x
  3. Step 3: Cross multiply
    1,912,129.32x = 2,864,583.98 × 1,480,587.65
  4. Step 4: Simplify right side
    1,912,129.32x = 4,241,267,663,175.85
  5. Step 5: Solve for x
    x = 4,241,267,663,175.85/1,912,129.32
  6. Step 6: Final answer
    x = 2,218,086.20

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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.