Home / 2,880,133.38-3,974,586.30-1,573,403.31

Finding the Fourth Proportional to 2,880,133.38, 3,974,586.30 and 1,573,403.31

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Solution

The fourth proportional to 2,880,133.38, 3,974,586.30 and 1,573,403.31 is: 2,171,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,133.38 : 3,974,586.30 = 1,573,403.31 : x
  2. Step 2: Convert to fraction form
    2,880,133.38/3,974,586.30 = 1,573,403.31/x
  3. Step 3: Cross multiply
    2,880,133.38x = 3,974,586.30 × 1,573,403.31
  4. Step 4: Simplify right side
    2,880,133.38x = 6,253,627,240,300.65
  5. Step 5: Solve for x
    x = 6,253,627,240,300.65/2,880,133.38
  6. Step 6: Final answer
    x = 2,171,297.79

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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.