Home / 2,786,721.12-3,842,114.76-1,804,925.88

Finding the Fourth Proportional to 2,786,721.12, 3,842,114.76 and 1,804,925.88

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Solution

The fourth proportional to 2,786,721.12, 3,842,114.76 and 1,804,925.88 is: 2,488,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,721.12 : 3,842,114.76 = 1,804,925.88 : x
  2. Step 2: Convert to fraction form
    2,786,721.12/3,842,114.76 = 1,804,925.88/x
  3. Step 3: Cross multiply
    2,786,721.12x = 3,842,114.76 × 1,804,925.88
  4. Step 4: Simplify right side
    2,786,721.12x = 6,934,732,364,253.99
  5. Step 5: Solve for x
    x = 6,934,732,364,253.99/2,786,721.12
  6. Step 6: Final answer
    x = 2,488,491.70

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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.