Home / 1,441,412.12-2,162,470.58-1,015,778.20

Finding the Fourth Proportional to 1,441,412.12, 2,162,470.58 and 1,015,778.20

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Solution

The fourth proportional to 1,441,412.12, 2,162,470.58 and 1,015,778.20 is: 1,523,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,412.12 : 2,162,470.58 = 1,015,778.20 : x
  2. Step 2: Convert to fraction form
    1,441,412.12/2,162,470.58 = 1,015,778.20/x
  3. Step 3: Cross multiply
    1,441,412.12x = 2,162,470.58 × 1,015,778.20
  4. Step 4: Simplify right side
    1,441,412.12x = 2,196,590,473,305.36
  5. Step 5: Solve for x
    x = 2,196,590,473,305.36/1,441,412.12
  6. Step 6: Final answer
    x = 1,523,915.64

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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.