Home / 1,943,389.01-2,681,886.15-1,072,223.66

Finding the Fourth Proportional to 1,943,389.01, 2,681,886.15 and 1,072,223.66

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Solution

The fourth proportional to 1,943,389.01, 2,681,886.15 and 1,072,223.66 is: 1,479,673.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,389.01 : 2,681,886.15 = 1,072,223.66 : x
  2. Step 2: Convert to fraction form
    1,943,389.01/2,681,886.15 = 1,072,223.66/x
  3. Step 3: Cross multiply
    1,943,389.01x = 2,681,886.15 × 1,072,223.66
  4. Step 4: Simplify right side
    1,943,389.01x = 2,875,581,783,456.31
  5. Step 5: Solve for x
    x = 2,875,581,783,456.31/1,943,389.01
  6. Step 6: Final answer
    x = 1,479,673.79

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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.