Home / 1,919,523.68-2,877,071.19-720,681.38

Finding the Fourth Proportional to 1,919,523.68, 2,877,071.19 and 720,681.38

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Solution

The fourth proportional to 1,919,523.68, 2,877,071.19 and 720,681.38 is: 1,080,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,523.68 : 2,877,071.19 = 720,681.38 : x
  2. Step 2: Convert to fraction form
    1,919,523.68/2,877,071.19 = 720,681.38/x
  3. Step 3: Cross multiply
    1,919,523.68x = 2,877,071.19 × 720,681.38
  4. Step 4: Simplify right side
    1,919,523.68x = 2,073,451,635,567.44
  5. Step 5: Solve for x
    x = 2,073,451,635,567.44/1,919,523.68
  6. Step 6: Final answer
    x = 1,080,190.70

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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.