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Finding the Fourth Proportional to 6,363,385, 8,781,472.74 and 3,501,817

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Solution

The fourth proportional to 6,363,385, 8,781,472.74 and 3,501,817 is: 4,832,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363,385 : 8,781,472.74 = 3,501,817 : x
  2. Step 2: Convert to fraction form
    6,363,385/8,781,472.74 = 3,501,817/x
  3. Step 3: Cross multiply
    6,363,385x = 8,781,472.74 × 3,501,817
  4. Step 4: Simplify right side
    6,363,385x = 30,751,110,525,968.58
  5. Step 5: Solve for x
    x = 30,751,110,525,968.58/6,363,385
  6. Step 6: Final answer
    x = 4,832,508.25

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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.