Home / 6,389,444.84-8,817,398.71-3,488,815.06

Finding the Fourth Proportional to 6,389,444.84, 8,817,398.71 and 3,488,815.06

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Solution

The fourth proportional to 6,389,444.84, 8,817,398.71 and 3,488,815.06 is: 4,814,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,444.84 : 8,817,398.71 = 3,488,815.06 : x
  2. Step 2: Convert to fraction form
    6,389,444.84/8,817,398.71 = 3,488,815.06/x
  3. Step 3: Cross multiply
    6,389,444.84x = 8,817,398.71 × 3,488,815.06
  4. Step 4: Simplify right side
    6,389,444.84x = 30,762,273,378,707.04
  5. Step 5: Solve for x
    x = 30,762,273,378,707.04/6,389,444.84
  6. Step 6: Final answer
    x = 4,814,545.58

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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.