Home / 5,431,657.20-8,147,485.80-2,445,673.20

Finding the Fourth Proportional to 5,431,657.20, 8,147,485.80 and 2,445,673.20

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Solution

The fourth proportional to 5,431,657.20, 8,147,485.80 and 2,445,673.20 is: 3,668,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,657.20 : 8,147,485.80 = 2,445,673.20 : x
  2. Step 2: Convert to fraction form
    5,431,657.20/8,147,485.80 = 2,445,673.20/x
  3. Step 3: Cross multiply
    5,431,657.20x = 8,147,485.80 × 2,445,673.20
  4. Step 4: Simplify right side
    5,431,657.20x = 19,926,087,668,440.56
  5. Step 5: Solve for x
    x = 19,926,087,668,440.56/5,431,657.20
  6. Step 6: Final answer
    x = 3,668,509.80

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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.