Home / 1,545,535.46-2,130,375.38-1,218,315.20

Finding the Fourth Proportional to 1,545,535.46, 2,130,375.38 and 1,218,315.20

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Solution

The fourth proportional to 1,545,535.46, 2,130,375.38 and 1,218,315.20 is: 1,679,333.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,535.46 : 2,130,375.38 = 1,218,315.20 : x
  2. Step 2: Convert to fraction form
    1,545,535.46/2,130,375.38 = 1,218,315.20/x
  3. Step 3: Cross multiply
    1,545,535.46x = 2,130,375.38 × 1,218,315.20
  4. Step 4: Simplify right side
    1,545,535.46x = 2,595,468,704,879.63
  5. Step 5: Solve for x
    x = 2,595,468,704,879.63/1,545,535.46
  6. Step 6: Final answer
    x = 1,679,333.01

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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.