Home / 1,934,443.20-2,900,282.40-868,612.80

Finding the Fourth Proportional to 1,934,443.20, 2,900,282.40 and 868,612.80

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Solution

The fourth proportional to 1,934,443.20, 2,900,282.40 and 868,612.80 is: 1,302,298.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934,443.20 : 2,900,282.40 = 868,612.80 : x
  2. Step 2: Convert to fraction form
    1,934,443.20/2,900,282.40 = 868,612.80/x
  3. Step 3: Cross multiply
    1,934,443.20x = 2,900,282.40 × 868,612.80
  4. Step 4: Simplify right side
    1,934,443.20x = 2,519,222,416,254.72
  5. Step 5: Solve for x
    x = 2,519,222,416,254.72/1,934,443.20
  6. Step 6: Final answer
    x = 1,302,298.47

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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.