Home / 2,783,146.40-4,171,609.20-1,585,642.40

Finding the Fourth Proportional to 2,783,146.40, 4,171,609.20 and 1,585,642.40

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Solution

The fourth proportional to 2,783,146.40, 4,171,609.20 and 1,585,642.40 is: 2,376,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,146.40 : 4,171,609.20 = 1,585,642.40 : x
  2. Step 2: Convert to fraction form
    2,783,146.40/4,171,609.20 = 1,585,642.40/x
  3. Step 3: Cross multiply
    2,783,146.40x = 4,171,609.20 × 1,585,642.40
  4. Step 4: Simplify right side
    2,783,146.40x = 6,614,680,423,750.08
  5. Step 5: Solve for x
    x = 6,614,680,423,750.08/2,783,146.40
  6. Step 6: Final answer
    x = 2,376,691.51

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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.