Home / 1,931,756.22-2,665,690.14-1,072,248.82

Finding the Fourth Proportional to 1,931,756.22, 2,665,690.14 and 1,072,248.82

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Solution

The fourth proportional to 1,931,756.22, 2,665,690.14 and 1,072,248.82 is: 1,479,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,756.22 : 2,665,690.14 = 1,072,248.82 : x
  2. Step 2: Convert to fraction form
    1,931,756.22/2,665,690.14 = 1,072,248.82/x
  3. Step 3: Cross multiply
    1,931,756.22x = 2,665,690.14 × 1,072,248.82
  4. Step 4: Simplify right side
    1,931,756.22x = 2,858,283,107,100.64
  5. Step 5: Solve for x
    x = 2,858,283,107,100.64/1,931,756.22
  6. Step 6: Final answer
    x = 1,479,629.30

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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.