Home / 1,899,431.28-2,621,425.20-1,083,835.80

Finding the Fourth Proportional to 1,899,431.28, 2,621,425.20 and 1,083,835.80

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Solution

The fourth proportional to 1,899,431.28, 2,621,425.20 and 1,083,835.80 is: 1,495,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,431.28 : 2,621,425.20 = 1,083,835.80 : x
  2. Step 2: Convert to fraction form
    1,899,431.28/2,621,425.20 = 1,083,835.80/x
  3. Step 3: Cross multiply
    1,899,431.28x = 2,621,425.20 × 1,083,835.80
  4. Step 4: Simplify right side
    1,899,431.28x = 2,841,194,478,782.16
  5. Step 5: Solve for x
    x = 2,841,194,478,782.16/1,899,431.28
  6. Step 6: Final answer
    x = 1,495,813.25

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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.