Home / 3,900,970.56-5,847,617.28-2,279,681.60

Finding the Fourth Proportional to 3,900,970.56, 5,847,617.28 and 2,279,681.60

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Solution

The fourth proportional to 3,900,970.56, 5,847,617.28 and 2,279,681.60 is: 3,417,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,970.56 : 5,847,617.28 = 2,279,681.60 : x
  2. Step 2: Convert to fraction form
    3,900,970.56/5,847,617.28 = 2,279,681.60/x
  3. Step 3: Cross multiply
    3,900,970.56x = 5,847,617.28 × 2,279,681.60
  4. Step 4: Simplify right side
    3,900,970.56x = 13,330,705,517,058.05
  5. Step 5: Solve for x
    x = 13,330,705,517,058.05/3,900,970.56
  6. Step 6: Final answer
    x = 3,417,279.19

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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.