Home / 2,981,337.21-4,116,802.55-2,884,930.50

Finding the Fourth Proportional to 2,981,337.21, 4,116,802.55 and 2,884,930.50

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Solution

The fourth proportional to 2,981,337.21, 4,116,802.55 and 2,884,930.50 is: 3,983,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,337.21 : 4,116,802.55 = 2,884,930.50 : x
  2. Step 2: Convert to fraction form
    2,981,337.21/4,116,802.55 = 2,884,930.50/x
  3. Step 3: Cross multiply
    2,981,337.21x = 4,116,802.55 × 2,884,930.50
  4. Step 4: Simplify right side
    2,981,337.21x = 11,876,689,248,494.86
  5. Step 5: Solve for x
    x = 11,876,689,248,494.86/2,981,337.21
  6. Step 6: Final answer
    x = 3,983,678.60

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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.