Home / 1,965,839.40-2,948,856.30-1,021,055.40

Finding the Fourth Proportional to 1,965,839.40, 2,948,856.30 and 1,021,055.40

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Solution

The fourth proportional to 1,965,839.40, 2,948,856.30 and 1,021,055.40 is: 1,531,633.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,839.40 : 2,948,856.30 = 1,021,055.40 : x
  2. Step 2: Convert to fraction form
    1,965,839.40/2,948,856.30 = 1,021,055.40/x
  3. Step 3: Cross multiply
    1,965,839.40x = 2,948,856.30 × 1,021,055.40
  4. Step 4: Simplify right side
    1,965,839.40x = 3,010,945,648,939.02
  5. Step 5: Solve for x
    x = 3,010,945,648,939.02/1,965,839.40
  6. Step 6: Final answer
    x = 1,531,633.59

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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.