Home / 2,154,691.59-2,973,483.41-1,187,800.66

Finding the Fourth Proportional to 2,154,691.59, 2,973,483.41 and 1,187,800.66

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Solution

The fourth proportional to 2,154,691.59, 2,973,483.41 and 1,187,800.66 is: 1,639,169.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,691.59 : 2,973,483.41 = 1,187,800.66 : x
  2. Step 2: Convert to fraction form
    2,154,691.59/2,973,483.41 = 1,187,800.66/x
  3. Step 3: Cross multiply
    2,154,691.59x = 2,973,483.41 × 1,187,800.66
  4. Step 4: Simplify right side
    2,154,691.59x = 3,531,905,556,897.05
  5. Step 5: Solve for x
    x = 3,531,905,556,897.05/2,154,691.59
  6. Step 6: Final answer
    x = 1,639,169.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.