Home / 5,507,503.47-8,261,253.69-1,720,986.35

Finding the Fourth Proportional to 5,507,503.47, 8,261,253.69 and 1,720,986.35

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Solution

The fourth proportional to 5,507,503.47, 8,261,253.69 and 1,720,986.35 is: 2,581,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507,503.47 : 8,261,253.69 = 1,720,986.35 : x
  2. Step 2: Convert to fraction form
    5,507,503.47/8,261,253.69 = 1,720,986.35/x
  3. Step 3: Cross multiply
    5,507,503.47x = 8,261,253.69 × 1,720,986.35
  4. Step 4: Simplify right side
    5,507,503.47x = 14,217,504,786,617.16
  5. Step 5: Solve for x
    x = 14,217,504,786,617.16/5,507,503.47
  6. Step 6: Final answer
    x = 2,581,479.04

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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.