Home / 3,151,206.80-4,726,810.20-907,571.60

Finding the Fourth Proportional to 3,151,206.80, 4,726,810.20 and 907,571.60

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Solution

The fourth proportional to 3,151,206.80, 4,726,810.20 and 907,571.60 is: 1,361,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,206.80 : 4,726,810.20 = 907,571.60 : x
  2. Step 2: Convert to fraction form
    3,151,206.80/4,726,810.20 = 907,571.60/x
  3. Step 3: Cross multiply
    3,151,206.80x = 4,726,810.20 × 907,571.60
  4. Step 4: Simplify right side
    3,151,206.80x = 4,289,918,696,110.32
  5. Step 5: Solve for x
    x = 4,289,918,696,110.32/3,151,206.80
  6. Step 6: Final answer
    x = 1,361,357.40

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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.