Home / 1,876,012.94-2,817,785.16-1,119,331.05

Finding the Fourth Proportional to 1,876,012.94, 2,817,785.16 and 1,119,331.05

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Solution

The fourth proportional to 1,876,012.94, 2,817,785.16 and 1,119,331.05 is: 1,681,243.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,012.94 : 2,817,785.16 = 1,119,331.05 : x
  2. Step 2: Convert to fraction form
    1,876,012.94/2,817,785.16 = 1,119,331.05/x
  3. Step 3: Cross multiply
    1,876,012.94x = 2,817,785.16 × 1,119,331.05
  4. Step 4: Simplify right side
    1,876,012.94x = 3,154,034,421,817.22
  5. Step 5: Solve for x
    x = 3,154,034,421,817.22/1,876,012.94
  6. Step 6: Final answer
    x = 1,681,243.43

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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.