Home / 1,548,201.20-2,136,143.76-903,253.28

Finding the Fourth Proportional to 1,548,201.20, 2,136,143.76 and 903,253.28

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Solution

The fourth proportional to 1,548,201.20, 2,136,143.76 and 903,253.28 is: 1,246,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,201.20 : 2,136,143.76 = 903,253.28 : x
  2. Step 2: Convert to fraction form
    1,548,201.20/2,136,143.76 = 903,253.28/x
  3. Step 3: Cross multiply
    1,548,201.20x = 2,136,143.76 × 903,253.28
  4. Step 4: Simplify right side
    1,548,201.20x = 1,929,478,857,771.53
  5. Step 5: Solve for x
    x = 1,929,478,857,771.53/1,548,201.20
  6. Step 6: Final answer
    x = 1,246,271.39

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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.