Home / 1,943,387.51-2,681,884.07-1,072,222.16

Finding the Fourth Proportional to 1,943,387.51, 2,681,884.07 and 1,072,222.16

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Solution

The fourth proportional to 1,943,387.51, 2,681,884.07 and 1,072,222.16 is: 1,479,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,387.51 : 2,681,884.07 = 1,072,222.16 : x
  2. Step 2: Convert to fraction form
    1,943,387.51/2,681,884.07 = 1,072,222.16/x
  3. Step 3: Cross multiply
    1,943,387.51x = 2,681,884.07 × 1,072,222.16
  4. Step 4: Simplify right side
    1,943,387.51x = 2,875,575,519,676.13
  5. Step 5: Solve for x
    x = 2,875,575,519,676.13/1,943,387.51
  6. Step 6: Final answer
    x = 1,479,671.71

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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.