Home / 4,828,806.40-7,243,209.60-3,128,195.20

Finding the Fourth Proportional to 4,828,806.40, 7,243,209.60 and 3,128,195.20

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Solution

The fourth proportional to 4,828,806.40, 7,243,209.60 and 3,128,195.20 is: 4,692,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828,806.40 : 7,243,209.60 = 3,128,195.20 : x
  2. Step 2: Convert to fraction form
    4,828,806.40/7,243,209.60 = 3,128,195.20/x
  3. Step 3: Cross multiply
    4,828,806.40x = 7,243,209.60 × 3,128,195.20
  4. Step 4: Simplify right side
    4,828,806.40x = 22,658,173,503,313.92
  5. Step 5: Solve for x
    x = 22,658,173,503,313.92/4,828,806.40
  6. Step 6: Final answer
    x = 4,692,292.80

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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.