Home / 3,642,991.72-5,464,750.08-1,399,129.72

Finding the Fourth Proportional to 3,642,991.72, 5,464,750.08 and 1,399,129.72

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Solution

The fourth proportional to 3,642,991.72, 5,464,750.08 and 1,399,129.72 is: 2,098,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,991.72 : 5,464,750.08 = 1,399,129.72 : x
  2. Step 2: Convert to fraction form
    3,642,991.72/5,464,750.08 = 1,399,129.72/x
  3. Step 3: Cross multiply
    3,642,991.72x = 5,464,750.08 × 1,399,129.72
  4. Step 4: Simplify right side
    3,642,991.72x = 7,645,894,249,300.38
  5. Step 5: Solve for x
    x = 7,645,894,249,300.38/3,642,991.72
  6. Step 6: Final answer
    x = 2,098,795.40

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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.