Home / 1,942,892.30-2,912,200.05-680,069.90

Finding the Fourth Proportional to 1,942,892.30, 2,912,200.05 and 680,069.90

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Solution

The fourth proportional to 1,942,892.30, 2,912,200.05 and 680,069.90 is: 1,019,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,892.30 : 2,912,200.05 = 680,069.90 : x
  2. Step 2: Convert to fraction form
    1,942,892.30/2,912,200.05 = 680,069.90/x
  3. Step 3: Cross multiply
    1,942,892.30x = 2,912,200.05 × 680,069.90
  4. Step 4: Simplify right side
    1,942,892.30x = 1,980,499,596,783.50
  5. Step 5: Solve for x
    x = 1,980,499,596,783.50/1,942,892.30
  6. Step 6: Final answer
    x = 1,019,356.35

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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.