Home / 2,545,287.37-3,512,406.23-1,399,358.77

Finding the Fourth Proportional to 2,545,287.37, 3,512,406.23 and 1,399,358.77

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Solution

The fourth proportional to 2,545,287.37, 3,512,406.23 and 1,399,358.77 is: 1,931,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,287.37 : 3,512,406.23 = 1,399,358.77 : x
  2. Step 2: Convert to fraction form
    2,545,287.37/3,512,406.23 = 1,399,358.77/x
  3. Step 3: Cross multiply
    2,545,287.37x = 3,512,406.23 × 1,399,358.77
  4. Step 4: Simplify right side
    2,545,287.37x = 4,915,116,461,753.14
  5. Step 5: Solve for x
    x = 4,915,116,461,753.14/2,545,287.37
  6. Step 6: Final answer
    x = 1,931,065.43

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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.