Home / 2,039,948.15-2,815,112.88-1,122,157.53

Finding the Fourth Proportional to 2,039,948.15, 2,815,112.88 and 1,122,157.53

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Solution

The fourth proportional to 2,039,948.15, 2,815,112.88 and 1,122,157.53 is: 1,548,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,948.15 : 2,815,112.88 = 1,122,157.53 : x
  2. Step 2: Convert to fraction form
    2,039,948.15/2,815,112.88 = 1,122,157.53/x
  3. Step 3: Cross multiply
    2,039,948.15x = 2,815,112.88 × 1,122,157.53
  4. Step 4: Simplify right side
    2,039,948.15x = 3,159,000,116,091.99
  5. Step 5: Solve for x
    x = 3,159,000,116,091.99/2,039,948.15
  6. Step 6: Final answer
    x = 1,548,568.83

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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.