Home / 3,724,480.80-5,586,721.20-1,328,403.60

Finding the Fourth Proportional to 3,724,480.80, 5,586,721.20 and 1,328,403.60

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Solution

The fourth proportional to 3,724,480.80, 5,586,721.20 and 1,328,403.60 is: 1,992,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724,480.80 : 5,586,721.20 = 1,328,403.60 : x
  2. Step 2: Convert to fraction form
    3,724,480.80/5,586,721.20 = 1,328,403.60/x
  3. Step 3: Cross multiply
    3,724,480.80x = 5,586,721.20 × 1,328,403.60
  4. Step 4: Simplify right side
    3,724,480.80x = 7,421,420,554,276.32
  5. Step 5: Solve for x
    x = 7,421,420,554,276.32/3,724,480.80
  6. Step 6: Final answer
    x = 1,992,605.40

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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.