Home / 2,565,399.90-3,540,252.20-1,403,846.40

Finding the Fourth Proportional to 2,565,399.90, 3,540,252.20 and 1,403,846.40

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Solution

The fourth proportional to 2,565,399.90, 3,540,252.20 and 1,403,846.40 is: 1,937,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565,399.90 : 3,540,252.20 = 1,403,846.40 : x
  2. Step 2: Convert to fraction form
    2,565,399.90/3,540,252.20 = 1,403,846.40/x
  3. Step 3: Cross multiply
    2,565,399.90x = 3,540,252.20 × 1,403,846.40
  4. Step 4: Simplify right side
    2,565,399.90x = 4,969,970,299,042.85
  5. Step 5: Solve for x
    x = 4,969,970,299,042.85/2,565,399.90
  6. Step 6: Final answer
    x = 1,937,308.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.