Home / 1,542,161.60-2,128,182.72-863,098.10

Finding the Fourth Proportional to 1,542,161.60, 2,128,182.72 and 863,098.10

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Solution

The fourth proportional to 1,542,161.60, 2,128,182.72 and 863,098.10 is: 1,191,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,161.60 : 2,128,182.72 = 863,098.10 : x
  2. Step 2: Convert to fraction form
    1,542,161.60/2,128,182.72 = 863,098.10/x
  3. Step 3: Cross multiply
    1,542,161.60x = 2,128,182.72 × 863,098.10
  4. Step 4: Simplify right side
    1,542,161.60x = 1,836,830,462,084.83
  5. Step 5: Solve for x
    x = 1,836,830,462,084.83/1,542,161.60
  6. Step 6: Final answer
    x = 1,191,075.22

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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.