Home / 2,580,398.21-3,868,040.59-1,211,721.77

Finding the Fourth Proportional to 2,580,398.21, 3,868,040.59 and 1,211,721.77

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Solution

The fourth proportional to 2,580,398.21, 3,868,040.59 and 1,211,721.77 is: 1,816,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,398.21 : 3,868,040.59 = 1,211,721.77 : x
  2. Step 2: Convert to fraction form
    2,580,398.21/3,868,040.59 = 1,211,721.77/x
  3. Step 3: Cross multiply
    2,580,398.21x = 3,868,040.59 × 1,211,721.77
  4. Step 4: Simplify right side
    2,580,398.21x = 4,686,988,996,787.44
  5. Step 5: Solve for x
    x = 4,686,988,996,787.44/2,580,398.21
  6. Step 6: Final answer
    x = 1,816,382.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.