Home / 2,709,757.40-4,065,319.53-1,912,595.90

Finding the Fourth Proportional to 2,709,757.40, 4,065,319.53 and 1,912,595.90

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Solution

The fourth proportional to 2,709,757.40, 4,065,319.53 and 1,912,595.90 is: 2,869,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,757.40 : 4,065,319.53 = 1,912,595.90 : x
  2. Step 2: Convert to fraction form
    2,709,757.40/4,065,319.53 = 1,912,595.90/x
  3. Step 3: Cross multiply
    2,709,757.40x = 4,065,319.53 × 1,912,595.90
  4. Step 4: Simplify right side
    2,709,757.40x = 7,775,313,444,941.33
  5. Step 5: Solve for x
    x = 7,775,313,444,941.33/2,709,757.40
  6. Step 6: Final answer
    x = 2,869,376.23

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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.