Home / 2,157,542.17-2,978,527.48-1,576,112.49

Finding the Fourth Proportional to 2,157,542.17, 2,978,527.48 and 1,576,112.49

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Solution

The fourth proportional to 2,157,542.17, 2,978,527.48 and 1,576,112.49 is: 2,175,852.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,542.17 : 2,978,527.48 = 1,576,112.49 : x
  2. Step 2: Convert to fraction form
    2,157,542.17/2,978,527.48 = 1,576,112.49/x
  3. Step 3: Cross multiply
    2,157,542.17x = 2,978,527.48 × 1,576,112.49
  4. Step 4: Simplify right side
    2,157,542.17x = 4,694,494,359,095.94
  5. Step 5: Solve for x
    x = 4,694,494,359,095.94/2,157,542.17
  6. Step 6: Final answer
    x = 2,175,852.89

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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.