Home / 2,709,912.60-4,064,868.90-2,178,471.60

Finding the Fourth Proportional to 2,709,912.60, 4,064,868.90 and 2,178,471.60

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Solution

The fourth proportional to 2,709,912.60, 4,064,868.90 and 2,178,471.60 is: 3,267,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,912.60 : 4,064,868.90 = 2,178,471.60 : x
  2. Step 2: Convert to fraction form
    2,709,912.60/4,064,868.90 = 2,178,471.60/x
  3. Step 3: Cross multiply
    2,709,912.60x = 4,064,868.90 × 2,178,471.60
  4. Step 4: Simplify right side
    2,709,912.60x = 8,855,201,456,373.24
  5. Step 5: Solve for x
    x = 8,855,201,456,373.24/2,709,912.60
  6. Step 6: Final answer
    x = 3,267,707.40

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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.