Home / 1,591,340.40-2,196,107.71-866,153.07

Finding the Fourth Proportional to 1,591,340.40, 2,196,107.71 and 866,153.07

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Solution

The fourth proportional to 1,591,340.40, 2,196,107.71 and 866,153.07 is: 1,195,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,340.40 : 2,196,107.71 = 866,153.07 : x
  2. Step 2: Convert to fraction form
    1,591,340.40/2,196,107.71 = 866,153.07/x
  3. Step 3: Cross multiply
    1,591,340.40x = 2,196,107.71 × 866,153.07
  4. Step 4: Simplify right side
    1,591,340.40x = 1,902,165,432,901.79
  5. Step 5: Solve for x
    x = 1,902,165,432,901.79/1,591,340.40
  6. Step 6: Final answer
    x = 1,195,322.78

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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.