Home / 1,899,578.93-2,621,423.25-1,028,422.80

Finding the Fourth Proportional to 1,899,578.93, 2,621,423.25 and 1,028,422.80

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Solution

The fourth proportional to 1,899,578.93, 2,621,423.25 and 1,028,422.80 is: 1,419,225.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,578.93 : 2,621,423.25 = 1,028,422.80 : x
  2. Step 2: Convert to fraction form
    1,899,578.93/2,621,423.25 = 1,028,422.80/x
  3. Step 3: Cross multiply
    1,899,578.93x = 2,621,423.25 × 1,028,422.80
  4. Step 4: Simplify right side
    1,899,578.93x = 2,695,931,438,750.10
  5. Step 5: Solve for x
    x = 2,695,931,438,750.10/1,899,578.93
  6. Step 6: Final answer
    x = 1,419,225.81

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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.