Home / 3,628,864.80-5,438,048.40-1,605,452.40

Finding the Fourth Proportional to 3,628,864.80, 5,438,048.40 and 1,605,452.40

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Solution

The fourth proportional to 3,628,864.80, 5,438,048.40 and 1,605,452.40 is: 2,405,856.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628,864.80 : 5,438,048.40 = 1,605,452.40 : x
  2. Step 2: Convert to fraction form
    3,628,864.80/5,438,048.40 = 1,605,452.40/x
  3. Step 3: Cross multiply
    3,628,864.80x = 5,438,048.40 × 1,605,452.40
  4. Step 4: Simplify right side
    3,628,864.80x = 8,730,527,855,096.16
  5. Step 5: Solve for x
    x = 8,730,527,855,096.16/3,628,864.80
  6. Step 6: Final answer
    x = 2,405,856.47

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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.