Home / 4,708,643.89-6,498,638.57-2,874,165.61

Finding the Fourth Proportional to 4,708,643.89, 6,498,638.57 and 2,874,165.61

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Solution

The fourth proportional to 4,708,643.89, 6,498,638.57 and 2,874,165.61 is: 3,966,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708,643.89 : 6,498,638.57 = 2,874,165.61 : x
  2. Step 2: Convert to fraction form
    4,708,643.89/6,498,638.57 = 2,874,165.61/x
  3. Step 3: Cross multiply
    4,708,643.89x = 6,498,638.57 × 2,874,165.61
  4. Step 4: Simplify right side
    4,708,643.89x = 18,678,163,489,713.58
  5. Step 5: Solve for x
    x = 18,678,163,489,713.58/4,708,643.89
  6. Step 6: Final answer
    x = 3,966,781.93

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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.