Home / 2,578,901.90-3,557,865.87-1,490,974.22

Finding the Fourth Proportional to 2,578,901.90, 3,557,865.87 and 1,490,974.22

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Solution

The fourth proportional to 2,578,901.90, 3,557,865.87 and 1,490,974.22 is: 2,056,955.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,901.90 : 3,557,865.87 = 1,490,974.22 : x
  2. Step 2: Convert to fraction form
    2,578,901.90/3,557,865.87 = 1,490,974.22/x
  3. Step 3: Cross multiply
    2,578,901.90x = 3,557,865.87 × 1,490,974.22
  4. Step 4: Simplify right side
    2,578,901.90x = 5,304,686,290,387.87
  5. Step 5: Solve for x
    x = 5,304,686,290,387.87/2,578,901.90
  6. Step 6: Final answer
    x = 2,056,955.44

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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.