Home / 1,415,164.80-2,120,414.40-1,177,219.20

Finding the Fourth Proportional to 1,415,164.80, 2,120,414.40 and 1,177,219.20

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Solution

The fourth proportional to 1,415,164.80, 2,120,414.40 and 1,177,219.20 is: 1,763,888.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,164.80 : 2,120,414.40 = 1,177,219.20 : x
  2. Step 2: Convert to fraction form
    1,415,164.80/2,120,414.40 = 1,177,219.20/x
  3. Step 3: Cross multiply
    1,415,164.80x = 2,120,414.40 × 1,177,219.20
  4. Step 4: Simplify right side
    1,415,164.80x = 2,496,192,543,636.48
  5. Step 5: Solve for x
    x = 2,496,192,543,636.48/1,415,164.80
  6. Step 6: Final answer
    x = 1,763,888.24

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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.