Home / 1,458,034.20-2,189,384.10-1,103,448.60

Finding the Fourth Proportional to 1,458,034.20, 2,189,384.10 and 1,103,448.60

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Solution

The fourth proportional to 1,458,034.20, 2,189,384.10 and 1,103,448.60 is: 1,656,938.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,034.20 : 2,189,384.10 = 1,103,448.60 : x
  2. Step 2: Convert to fraction form
    1,458,034.20/2,189,384.10 = 1,103,448.60/x
  3. Step 3: Cross multiply
    1,458,034.20x = 2,189,384.10 × 1,103,448.60
  4. Step 4: Simplify right side
    1,458,034.20x = 2,415,872,820,007.26
  5. Step 5: Solve for x
    x = 2,415,872,820,007.26/1,458,034.20
  6. Step 6: Final answer
    x = 1,656,938.38

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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.