Home / 1,938,486.71-2,675,089.67-1,067,303.61

Finding the Fourth Proportional to 1,938,486.71, 2,675,089.67 and 1,067,303.61

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Solution

The fourth proportional to 1,938,486.71, 2,675,089.67 and 1,067,303.61 is: 1,472,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,486.71 : 2,675,089.67 = 1,067,303.61 : x
  2. Step 2: Convert to fraction form
    1,938,486.71/2,675,089.67 = 1,067,303.61/x
  3. Step 3: Cross multiply
    1,938,486.71x = 2,675,089.67 × 1,067,303.61
  4. Step 4: Simplify right side
    1,938,486.71x = 2,855,132,873,057.25
  5. Step 5: Solve for x
    x = 2,855,132,873,057.25/1,938,486.71
  6. Step 6: Final answer
    x = 1,472,866.88

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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.