Home / 2,804,176.79-3,869,766.70-1,515,018.20

Finding the Fourth Proportional to 2,804,176.79, 3,869,766.70 and 1,515,018.20

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Solution

The fourth proportional to 2,804,176.79, 3,869,766.70 and 1,515,018.20 is: 2,090,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804,176.79 : 3,869,766.70 = 1,515,018.20 : x
  2. Step 2: Convert to fraction form
    2,804,176.79/3,869,766.70 = 1,515,018.20/x
  3. Step 3: Cross multiply
    2,804,176.79x = 3,869,766.70 × 1,515,018.20
  4. Step 4: Simplify right side
    2,804,176.79x = 5,862,766,974,367.07
  5. Step 5: Solve for x
    x = 5,862,766,974,367.07/2,804,176.79
  6. Step 6: Final answer
    x = 2,090,726.59

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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.