Home / 3,186,261.60-4,778,728.20-1,165,457.40

Finding the Fourth Proportional to 3,186,261.60, 4,778,728.20 and 1,165,457.40

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Solution

The fourth proportional to 3,186,261.60, 4,778,728.20 and 1,165,457.40 is: 1,747,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,261.60 : 4,778,728.20 = 1,165,457.40 : x
  2. Step 2: Convert to fraction form
    3,186,261.60/4,778,728.20 = 1,165,457.40/x
  3. Step 3: Cross multiply
    3,186,261.60x = 4,778,728.20 × 1,165,457.40
  4. Step 4: Simplify right side
    3,186,261.60x = 5,569,404,143,278.68
  5. Step 5: Solve for x
    x = 5,569,404,143,278.68/3,186,261.60
  6. Step 6: Final answer
    x = 1,747,943.15

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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.