Home / 2,073,969.60-3,111,479.10-578,061.60

Finding the Fourth Proportional to 2,073,969.60, 3,111,479.10 and 578,061.60

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Solution

The fourth proportional to 2,073,969.60, 3,111,479.10 and 578,061.60 is: 867,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073,969.60 : 3,111,479.10 = 578,061.60 : x
  2. Step 2: Convert to fraction form
    2,073,969.60/3,111,479.10 = 578,061.60/x
  3. Step 3: Cross multiply
    2,073,969.60x = 3,111,479.10 × 578,061.60
  4. Step 4: Simplify right side
    2,073,969.60x = 1,798,626,586,912.56
  5. Step 5: Solve for x
    x = 1,798,626,586,912.56/2,073,969.60
  6. Step 6: Final answer
    x = 867,238.65

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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.