Home / 6,430,902.60-8,874,319.68-3,817,518.39

Finding the Fourth Proportional to 6,430,902.60, 8,874,319.68 and 3,817,518.39

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Solution

The fourth proportional to 6,430,902.60, 8,874,319.68 and 3,817,518.39 is: 5,267,981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,902.60 : 8,874,319.68 = 3,817,518.39 : x
  2. Step 2: Convert to fraction form
    6,430,902.60/8,874,319.68 = 3,817,518.39/x
  3. Step 3: Cross multiply
    6,430,902.60x = 8,874,319.68 × 3,817,518.39
  4. Step 4: Simplify right side
    6,430,902.60x = 33,877,878,577,138.91
  5. Step 5: Solve for x
    x = 33,877,878,577,138.91/6,430,902.60
  6. Step 6: Final answer
    x = 5,267,981.91

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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.