Home / 3,925,909-5,888,864.87-1,230,443.35

Finding the Fourth Proportional to 3,925,909, 5,888,864.87 and 1,230,443.35

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Solution

The fourth proportional to 3,925,909, 5,888,864.87 and 1,230,443.35 is: 1,845,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925,909 : 5,888,864.87 = 1,230,443.35 : x
  2. Step 2: Convert to fraction form
    3,925,909/5,888,864.87 = 1,230,443.35/x
  3. Step 3: Cross multiply
    3,925,909x = 5,888,864.87 × 1,230,443.35
  4. Step 4: Simplify right side
    3,925,909x = 7,245,914,618,340.12
  5. Step 5: Solve for x
    x = 7,245,914,618,340.12/3,925,909
  6. Step 6: Final answer
    x = 1,845,665.45

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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.