Home / 2,628,986.70-3,943,480.05-1,031,601.90

Finding the Fourth Proportional to 2,628,986.70, 3,943,480.05 and 1,031,601.90

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Solution

The fourth proportional to 2,628,986.70, 3,943,480.05 and 1,031,601.90 is: 1,547,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,986.70 : 3,943,480.05 = 1,031,601.90 : x
  2. Step 2: Convert to fraction form
    2,628,986.70/3,943,480.05 = 1,031,601.90/x
  3. Step 3: Cross multiply
    2,628,986.70x = 3,943,480.05 × 1,031,601.90
  4. Step 4: Simplify right side
    2,628,986.70x = 4,068,101,512,192.10
  5. Step 5: Solve for x
    x = 4,068,101,512,192.10/2,628,986.70
  6. Step 6: Final answer
    x = 1,547,402.85

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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.