Home / 1,447,055.12-2,160,043.58-1,340,329.52

Finding the Fourth Proportional to 1,447,055.12, 2,160,043.58 and 1,340,329.52

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Solution

The fourth proportional to 1,447,055.12, 2,160,043.58 and 1,340,329.52 is: 2,000,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,055.12 : 2,160,043.58 = 1,340,329.52 : x
  2. Step 2: Convert to fraction form
    1,447,055.12/2,160,043.58 = 1,340,329.52/x
  3. Step 3: Cross multiply
    1,447,055.12x = 2,160,043.58 × 1,340,329.52
  4. Step 4: Simplify right side
    1,447,055.12x = 2,895,170,174,760.48
  5. Step 5: Solve for x
    x = 2,895,170,174,760.48/1,447,055.12
  6. Step 6: Final answer
    x = 2,000,732.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.