Home / 2,391,171.40-3,587,718.30-971,338.60

Finding the Fourth Proportional to 2,391,171.40, 3,587,718.30 and 971,338.60

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Solution

The fourth proportional to 2,391,171.40, 3,587,718.30 and 971,338.60 is: 1,457,398.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,171.40 : 3,587,718.30 = 971,338.60 : x
  2. Step 2: Convert to fraction form
    2,391,171.40/3,587,718.30 = 971,338.60/x
  3. Step 3: Cross multiply
    2,391,171.40x = 3,587,718.30 × 971,338.60
  4. Step 4: Simplify right side
    2,391,171.40x = 3,484,889,270,716.38
  5. Step 5: Solve for x
    x = 3,484,889,270,716.38/2,391,171.40
  6. Step 6: Final answer
    x = 1,457,398.36

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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.