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Finding the Fourth Proportional to 6,283,593.63, 8,671,473.90 and 3,492,978.93

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Solution

The fourth proportional to 6,283,593.63, 8,671,473.90 and 3,492,978.93 is: 4,820,374.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283,593.63 : 8,671,473.90 = 3,492,978.93 : x
  2. Step 2: Convert to fraction form
    6,283,593.63/8,671,473.90 = 3,492,978.93/x
  3. Step 3: Cross multiply
    6,283,593.63x = 8,671,473.90 × 3,492,978.93
  4. Step 4: Simplify right side
    6,283,593.63x = 30,289,275,624,744.93
  5. Step 5: Solve for x
    x = 30,289,275,624,744.93/6,283,593.63
  6. Step 6: Final answer
    x = 4,820,374.68

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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.