Home / 1,632,187.40-2,448,281.10-1,128,302.60

Finding the Fourth Proportional to 1,632,187.40, 2,448,281.10 and 1,128,302.60

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Solution

The fourth proportional to 1,632,187.40, 2,448,281.10 and 1,128,302.60 is: 1,692,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632,187.40 : 2,448,281.10 = 1,128,302.60 : x
  2. Step 2: Convert to fraction form
    1,632,187.40/2,448,281.10 = 1,128,302.60/x
  3. Step 3: Cross multiply
    1,632,187.40x = 2,448,281.10 × 1,128,302.60
  4. Step 4: Simplify right side
    1,632,187.40x = 2,762,401,930,660.86
  5. Step 5: Solve for x
    x = 2,762,401,930,660.86/1,632,187.40
  6. Step 6: Final answer
    x = 1,692,453.90

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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.