Home / 3,810,728.20-5,258,784.16-2,091,877.96

Finding the Fourth Proportional to 3,810,728.20, 5,258,784.16 and 2,091,877.96

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Solution

The fourth proportional to 3,810,728.20, 5,258,784.16 and 2,091,877.96 is: 2,886,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810,728.20 : 5,258,784.16 = 2,091,877.96 : x
  2. Step 2: Convert to fraction form
    3,810,728.20/5,258,784.16 = 2,091,877.96/x
  3. Step 3: Cross multiply
    3,810,728.20x = 5,258,784.16 × 2,091,877.96
  4. Step 4: Simplify right side
    3,810,728.20x = 11,000,734,680,701.11
  5. Step 5: Solve for x
    x = 11,000,734,680,701.11/3,810,728.20
  6. Step 6: Final answer
    x = 2,886,780.19

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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.