Home / 1,474,939.80-2,213,167.86-1,276,535.16

Finding the Fourth Proportional to 1,474,939.80, 2,213,167.86 and 1,276,535.16

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Solution

The fourth proportional to 1,474,939.80, 2,213,167.86 and 1,276,535.16 is: 1,915,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,939.80 : 2,213,167.86 = 1,276,535.16 : x
  2. Step 2: Convert to fraction form
    1,474,939.80/2,213,167.86 = 1,276,535.16/x
  3. Step 3: Cross multiply
    1,474,939.80x = 2,213,167.86 × 1,276,535.16
  4. Step 4: Simplify right side
    1,474,939.80x = 2,825,186,588,271.96
  5. Step 5: Solve for x
    x = 2,825,186,588,271.96/1,474,939.80
  6. Step 6: Final answer
    x = 1,915,458.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.