Home / 1,988,905.33-2,745,729.53-1,552,386.61

Finding the Fourth Proportional to 1,988,905.33, 2,745,729.53 and 1,552,386.61

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Solution

The fourth proportional to 1,988,905.33, 2,745,729.53 and 1,552,386.61 is: 2,143,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,905.33 : 2,745,729.53 = 1,552,386.61 : x
  2. Step 2: Convert to fraction form
    1,988,905.33/2,745,729.53 = 1,552,386.61/x
  3. Step 3: Cross multiply
    1,988,905.33x = 2,745,729.53 × 1,552,386.61
  4. Step 4: Simplify right side
    1,988,905.33x = 4,262,433,757,053.59
  5. Step 5: Solve for x
    x = 4,262,433,757,053.59/1,988,905.33
  6. Step 6: Final answer
    x = 2,143,105.40

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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.