Home / 3,881,962.60-5,823,116.70-1,323,140.20

Finding the Fourth Proportional to 3,881,962.60, 5,823,116.70 and 1,323,140.20

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Solution

The fourth proportional to 3,881,962.60, 5,823,116.70 and 1,323,140.20 is: 1,984,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,962.60 : 5,823,116.70 = 1,323,140.20 : x
  2. Step 2: Convert to fraction form
    3,881,962.60/5,823,116.70 = 1,323,140.20/x
  3. Step 3: Cross multiply
    3,881,962.60x = 5,823,116.70 × 1,323,140.20
  4. Step 4: Simplify right side
    3,881,962.60x = 7,704,799,795,061.34
  5. Step 5: Solve for x
    x = 7,704,799,795,061.34/3,881,962.60
  6. Step 6: Final answer
    x = 1,984,769.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.