Home / 1,941,471.81-2,913,519.92-679,310.37

Finding the Fourth Proportional to 1,941,471.81, 2,913,519.92 and 679,310.37

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Solution

The fourth proportional to 1,941,471.81, 2,913,519.92 and 679,310.37 is: 1,019,424.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,471.81 : 2,913,519.92 = 679,310.37 : x
  2. Step 2: Convert to fraction form
    1,941,471.81/2,913,519.92 = 679,310.37/x
  3. Step 3: Cross multiply
    1,941,471.81x = 2,913,519.92 × 679,310.37
  4. Step 4: Simplify right side
    1,941,471.81x = 1,979,184,291,461.02
  5. Step 5: Solve for x
    x = 1,979,184,291,461.02/1,941,471.81
  6. Step 6: Final answer
    x = 1,019,424.69

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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.