Home / 2,100,042.30-3,150,063.45-1,155,258.30

Finding the Fourth Proportional to 2,100,042.30, 3,150,063.45 and 1,155,258.30

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Solution

The fourth proportional to 2,100,042.30, 3,150,063.45 and 1,155,258.30 is: 1,732,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,042.30 : 3,150,063.45 = 1,155,258.30 : x
  2. Step 2: Convert to fraction form
    2,100,042.30/3,150,063.45 = 1,155,258.30/x
  3. Step 3: Cross multiply
    2,100,042.30x = 3,150,063.45 × 1,155,258.30
  4. Step 4: Simplify right side
    2,100,042.30x = 3,639,136,946,139.14
  5. Step 5: Solve for x
    x = 3,639,136,946,139.14/2,100,042.30
  6. Step 6: Final answer
    x = 1,732,887.45

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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.