Home / 6,442,451-8,890,355.76-3,541,820.84

Finding the Fourth Proportional to 6,442,451, 8,890,355.76 and 3,541,820.84

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Solution

The fourth proportional to 6,442,451, 8,890,355.76 and 3,541,820.84 is: 4,887,588.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,451 : 8,890,355.76 = 3,541,820.84 : x
  2. Step 2: Convert to fraction form
    6,442,451/8,890,355.76 = 3,541,820.84/x
  3. Step 3: Cross multiply
    6,442,451x = 8,890,355.76 × 3,541,820.84
  4. Step 4: Simplify right side
    6,442,451x = 31,488,047,305,782.04
  5. Step 5: Solve for x
    x = 31,488,047,305,782.04/6,442,451
  6. Step 6: Final answer
    x = 4,887,588.17

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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.