Home / 1,889,248.86-2,829,719.46-1,561,320.47

Finding the Fourth Proportional to 1,889,248.86, 2,829,719.46 and 1,561,320.47

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Solution

The fourth proportional to 1,889,248.86, 2,829,719.46 and 1,561,320.47 is: 2,338,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,248.86 : 2,829,719.46 = 1,561,320.47 : x
  2. Step 2: Convert to fraction form
    1,889,248.86/2,829,719.46 = 1,561,320.47/x
  3. Step 3: Cross multiply
    1,889,248.86x = 2,829,719.46 × 1,561,320.47
  4. Step 4: Simplify right side
    1,889,248.86x = 4,418,098,929,772.53
  5. Step 5: Solve for x
    x = 4,418,098,929,772.53/1,889,248.86
  6. Step 6: Final answer
    x = 2,338,547.88

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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.