Home / 3,165,897.76-4,369,018.74-1,942,878.76

Finding the Fourth Proportional to 3,165,897.76, 4,369,018.74 and 1,942,878.76

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Solution

The fourth proportional to 3,165,897.76, 4,369,018.74 and 1,942,878.76 is: 2,681,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,897.76 : 4,369,018.74 = 1,942,878.76 : x
  2. Step 2: Convert to fraction form
    3,165,897.76/4,369,018.74 = 1,942,878.76/x
  3. Step 3: Cross multiply
    3,165,897.76x = 4,369,018.74 × 1,942,878.76
  4. Step 4: Simplify right side
    3,165,897.76x = 8,488,473,711,987.96
  5. Step 5: Solve for x
    x = 8,488,473,711,987.96/3,165,897.76
  6. Step 6: Final answer
    x = 2,681,221.68

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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.