Home / 3,141,566.55-4,707,921.15-1,939,919.40

Finding the Fourth Proportional to 3,141,566.55, 4,707,921.15 and 1,939,919.40

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Solution

The fourth proportional to 3,141,566.55, 4,707,921.15 and 1,939,919.40 is: 2,907,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,566.55 : 4,707,921.15 = 1,939,919.40 : x
  2. Step 2: Convert to fraction form
    3,141,566.55/4,707,921.15 = 1,939,919.40/x
  3. Step 3: Cross multiply
    3,141,566.55x = 4,707,921.15 × 1,939,919.40
  4. Step 4: Simplify right side
    3,141,566.55x = 9,132,987,572,555.31
  5. Step 5: Solve for x
    x = 9,132,987,572,555.31/3,141,566.55
  6. Step 6: Final answer
    x = 2,907,144.39

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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.