Home / 2,565,401.40-3,540,254.27-1,403,847.90

Finding the Fourth Proportional to 2,565,401.40, 3,540,254.27 and 1,403,847.90

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Solution

The fourth proportional to 2,565,401.40, 3,540,254.27 and 1,403,847.90 is: 1,937,310.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565,401.40 : 3,540,254.27 = 1,403,847.90 : x
  2. Step 2: Convert to fraction form
    2,565,401.40/3,540,254.27 = 1,403,847.90/x
  3. Step 3: Cross multiply
    2,565,401.40x = 3,540,254.27 × 1,403,847.90
  4. Step 4: Simplify right side
    2,565,401.40x = 4,969,978,515,386.29
  5. Step 5: Solve for x
    x = 4,969,978,515,386.29/2,565,401.40
  6. Step 6: Final answer
    x = 1,937,310.28

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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.