Home / 3,030,948.72-4,182,700.68-1,672,812

Finding the Fourth Proportional to 3,030,948.72, 4,182,700.68 and 1,672,812

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Solution

The fourth proportional to 3,030,948.72, 4,182,700.68 and 1,672,812 is: 2,308,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030,948.72 : 4,182,700.68 = 1,672,812 : x
  2. Step 2: Convert to fraction form
    3,030,948.72/4,182,700.68 = 1,672,812/x
  3. Step 3: Cross multiply
    3,030,948.72x = 4,182,700.68 × 1,672,812
  4. Step 4: Simplify right side
    3,030,948.72x = 6,996,871,889,912.16
  5. Step 5: Solve for x
    x = 6,996,871,889,912.16/3,030,948.72
  6. Step 6: Final answer
    x = 2,308,475.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.