Home / 3,240,412.40-4,851,287.40-3,147,100.40

Finding the Fourth Proportional to 3,240,412.40, 4,851,287.40 and 3,147,100.40

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Solution

The fourth proportional to 3,240,412.40, 4,851,287.40 and 3,147,100.40 is: 4,711,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,412.40 : 4,851,287.40 = 3,147,100.40 : x
  2. Step 2: Convert to fraction form
    3,240,412.40/4,851,287.40 = 3,147,100.40/x
  3. Step 3: Cross multiply
    3,240,412.40x = 4,851,287.40 × 3,147,100.40
  4. Step 4: Simplify right side
    3,240,412.40x = 15,267,488,517,054.96
  5. Step 5: Solve for x
    x = 15,267,488,517,054.96/3,240,412.40
  6. Step 6: Final answer
    x = 4,711,588.10

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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.