Home / 3,940,000.38-5,436,966.15-2,286,019.35

Finding the Fourth Proportional to 3,940,000.38, 5,436,966.15 and 2,286,019.35

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Solution

The fourth proportional to 3,940,000.38, 5,436,966.15 and 2,286,019.35 is: 3,154,570.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,000.38 : 5,436,966.15 = 2,286,019.35 : x
  2. Step 2: Convert to fraction form
    3,940,000.38/5,436,966.15 = 2,286,019.35/x
  3. Step 3: Cross multiply
    3,940,000.38x = 5,436,966.15 × 2,286,019.35
  4. Step 4: Simplify right side
    3,940,000.38x = 12,429,009,824,195.00
  5. Step 5: Solve for x
    x = 12,429,009,824,195.00/3,940,000.38
  6. Step 6: Final answer
    x = 3,154,570.72

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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.