Home / 1,591,023.05-2,195,569.70-865,855.16

Finding the Fourth Proportional to 1,591,023.05, 2,195,569.70 and 865,855.16

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Solution

The fourth proportional to 1,591,023.05, 2,195,569.70 and 865,855.16 is: 1,194,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,023.05 : 2,195,569.70 = 865,855.16 : x
  2. Step 2: Convert to fraction form
    1,591,023.05/2,195,569.70 = 865,855.16/x
  3. Step 3: Cross multiply
    1,591,023.05x = 2,195,569.70 × 865,855.16
  4. Step 4: Simplify right side
    1,591,023.05x = 1,901,045,358,291.26
  5. Step 5: Solve for x
    x = 1,901,045,358,291.26/1,591,023.05
  6. Step 6: Final answer
    x = 1,194,857.21

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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.