Home / 2,804,178.13-3,869,768.55-1,515,019.54

Finding the Fourth Proportional to 2,804,178.13, 3,869,768.55 and 1,515,019.54

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Solution

The fourth proportional to 2,804,178.13, 3,869,768.55 and 1,515,019.54 is: 2,090,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804,178.13 : 3,869,768.55 = 1,515,019.54 : x
  2. Step 2: Convert to fraction form
    2,804,178.13/3,869,768.55 = 1,515,019.54/x
  3. Step 3: Cross multiply
    2,804,178.13x = 3,869,768.55 × 1,515,019.54
  4. Step 4: Simplify right side
    2,804,178.13x = 5,862,774,971,790.19
  5. Step 5: Solve for x
    x = 5,862,774,971,790.19/2,804,178.13
  6. Step 6: Final answer
    x = 2,090,728.44

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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.