Home / 3,990,341.20-5,986,386.60-1,294,207.60

Finding the Fourth Proportional to 3,990,341.20, 5,986,386.60 and 1,294,207.60

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Solution

The fourth proportional to 3,990,341.20, 5,986,386.60 and 1,294,207.60 is: 1,941,595.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,341.20 : 5,986,386.60 = 1,294,207.60 : x
  2. Step 2: Convert to fraction form
    3,990,341.20/5,986,386.60 = 1,294,207.60/x
  3. Step 3: Cross multiply
    3,990,341.20x = 5,986,386.60 × 1,294,207.60
  4. Step 4: Simplify right side
    3,990,341.20x = 7,747,627,034,258.16
  5. Step 5: Solve for x
    x = 7,747,627,034,258.16/3,990,341.20
  6. Step 6: Final answer
    x = 1,941,595.13

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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.