Home / 2,085,538.20-3,128,307.30-887,499.60

Finding the Fourth Proportional to 2,085,538.20, 3,128,307.30 and 887,499.60

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Solution

The fourth proportional to 2,085,538.20, 3,128,307.30 and 887,499.60 is: 1,331,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,538.20 : 3,128,307.30 = 887,499.60 : x
  2. Step 2: Convert to fraction form
    2,085,538.20/3,128,307.30 = 887,499.60/x
  3. Step 3: Cross multiply
    2,085,538.20x = 3,128,307.30 × 887,499.60
  4. Step 4: Simplify right side
    2,085,538.20x = 2,776,371,477,427.08
  5. Step 5: Solve for x
    x = 2,776,371,477,427.08/2,085,538.20
  6. Step 6: Final answer
    x = 1,331,249.40

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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.