Home / 2,042,938.48-2,819,144.54-1,124,988.21

Finding the Fourth Proportional to 2,042,938.48, 2,819,144.54 and 1,124,988.21

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Solution

The fourth proportional to 2,042,938.48, 2,819,144.54 and 1,124,988.21 is: 1,552,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042,938.48 : 2,819,144.54 = 1,124,988.21 : x
  2. Step 2: Convert to fraction form
    2,042,938.48/2,819,144.54 = 1,124,988.21/x
  3. Step 3: Cross multiply
    2,042,938.48x = 2,819,144.54 × 1,124,988.21
  4. Step 4: Simplify right side
    2,042,938.48x = 3,171,504,364,160.93
  5. Step 5: Solve for x
    x = 3,171,504,364,160.93/2,042,938.48
  6. Step 6: Final answer
    x = 1,552,422.85

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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.