Home / 2,085,709.10-3,128,563.65-887,330.30

Finding the Fourth Proportional to 2,085,709.10, 3,128,563.65 and 887,330.30

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Solution

The fourth proportional to 2,085,709.10, 3,128,563.65 and 887,330.30 is: 1,330,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,709.10 : 3,128,563.65 = 887,330.30 : x
  2. Step 2: Convert to fraction form
    2,085,709.10/3,128,563.65 = 887,330.30/x
  3. Step 3: Cross multiply
    2,085,709.10x = 3,128,563.65 × 887,330.30
  4. Step 4: Simplify right side
    2,085,709.10x = 2,776,069,322,123.60
  5. Step 5: Solve for x
    x = 2,776,069,322,123.60/2,085,709.10
  6. Step 6: Final answer
    x = 1,330,995.45

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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.