Home / 2,190,689.60-3,286,408-976,706.72

Finding the Fourth Proportional to 2,190,689.60, 3,286,408 and 976,706.72

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Solution

The fourth proportional to 2,190,689.60, 3,286,408 and 976,706.72 is: 1,465,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,689.60 : 3,286,408 = 976,706.72 : x
  2. Step 2: Convert to fraction form
    2,190,689.60/3,286,408 = 976,706.72/x
  3. Step 3: Cross multiply
    2,190,689.60x = 3,286,408 × 976,706.72
  4. Step 4: Simplify right side
    2,190,689.60x = 3,209,856,778,261.76
  5. Step 5: Solve for x
    x = 3,209,856,778,261.76/2,190,689.60
  6. Step 6: Final answer
    x = 1,465,226.65

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1.5x scale

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.