Home / 3,251,401.60-4,486,742.24-1,781,017.72

Finding the Fourth Proportional to 3,251,401.60, 4,486,742.24 and 1,781,017.72

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Solution

The fourth proportional to 3,251,401.60, 4,486,742.24 and 1,781,017.72 is: 2,457,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251,401.60 : 4,486,742.24 = 1,781,017.72 : x
  2. Step 2: Convert to fraction form
    3,251,401.60/4,486,742.24 = 1,781,017.72/x
  3. Step 3: Cross multiply
    3,251,401.60x = 4,486,742.24 × 1,781,017.72
  4. Step 4: Simplify right side
    3,251,401.60x = 7,990,967,434,512.49
  5. Step 5: Solve for x
    x = 7,990,967,434,512.49/3,251,401.60
  6. Step 6: Final answer
    x = 2,457,699.30

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1.5x scale

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.