Home / 1,897,105.14-2,845,448.10-477,161.76

Finding the Fourth Proportional to 1,897,105.14, 2,845,448.10 and 477,161.76

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Solution

The fourth proportional to 1,897,105.14, 2,845,448.10 and 477,161.76 is: 715,689.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,105.14 : 2,845,448.10 = 477,161.76 : x
  2. Step 2: Convert to fraction form
    1,897,105.14/2,845,448.10 = 477,161.76/x
  3. Step 3: Cross multiply
    1,897,105.14x = 2,845,448.10 × 477,161.76
  4. Step 4: Simplify right side
    1,897,105.14x = 1,357,739,023,384.66
  5. Step 5: Solve for x
    x = 1,357,739,023,384.66/1,897,105.14
  6. Step 6: Final answer
    x = 715,689.92

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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.