Home / 2,912,589.60-4,368,884.40-1,960,807.20

Finding the Fourth Proportional to 2,912,589.60, 4,368,884.40 and 1,960,807.20

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Solution

The fourth proportional to 2,912,589.60, 4,368,884.40 and 1,960,807.20 is: 2,941,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,589.60 : 4,368,884.40 = 1,960,807.20 : x
  2. Step 2: Convert to fraction form
    2,912,589.60/4,368,884.40 = 1,960,807.20/x
  3. Step 3: Cross multiply
    2,912,589.60x = 4,368,884.40 × 1,960,807.20
  4. Step 4: Simplify right side
    2,912,589.60x = 8,566,539,987,487.68
  5. Step 5: Solve for x
    x = 8,566,539,987,487.68/2,912,589.60
  6. Step 6: Final answer
    x = 2,941,210.80

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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.