Home / 1,989,425.52-2,985,020.16-1,042,571.04

Finding the Fourth Proportional to 1,989,425.52, 2,985,020.16 and 1,042,571.04

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Solution

The fourth proportional to 1,989,425.52, 2,985,020.16 and 1,042,571.04 is: 1,564,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,425.52 : 2,985,020.16 = 1,042,571.04 : x
  2. Step 2: Convert to fraction form
    1,989,425.52/2,985,020.16 = 1,042,571.04/x
  3. Step 3: Cross multiply
    1,989,425.52x = 2,985,020.16 × 1,042,571.04
  4. Step 4: Simplify right side
    1,989,425.52x = 3,112,095,572,632.17
  5. Step 5: Solve for x
    x = 3,112,095,572,632.17/1,989,425.52
  6. Step 6: Final answer
    x = 1,564,318.71

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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.