Home / 2,291,155.40-3,161,443.16-1,324,099.04

Finding the Fourth Proportional to 2,291,155.40, 3,161,443.16 and 1,324,099.04

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Solution

The fourth proportional to 2,291,155.40, 3,161,443.16 and 1,324,099.04 is: 1,827,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291,155.40 : 3,161,443.16 = 1,324,099.04 : x
  2. Step 2: Convert to fraction form
    2,291,155.40/3,161,443.16 = 1,324,099.04/x
  3. Step 3: Cross multiply
    2,291,155.40x = 3,161,443.16 × 1,324,099.04
  4. Step 4: Simplify right side
    2,291,155.40x = 4,186,063,840,673.60
  5. Step 5: Solve for x
    x = 4,186,063,840,673.60/2,291,155.40
  6. Step 6: Final answer
    x = 1,827,053.65

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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.