Home / 2,810,208.78-3,878,085.06-1,521,047.16

Finding the Fourth Proportional to 2,810,208.78, 3,878,085.06 and 1,521,047.16

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Solution

The fourth proportional to 2,810,208.78, 3,878,085.06 and 1,521,047.16 is: 2,099,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,208.78 : 3,878,085.06 = 1,521,047.16 : x
  2. Step 2: Convert to fraction form
    2,810,208.78/3,878,085.06 = 1,521,047.16/x
  3. Step 3: Cross multiply
    2,810,208.78x = 3,878,085.06 × 1,521,047.16
  4. Step 4: Simplify right side
    2,810,208.78x = 5,898,750,266,751.43
  5. Step 5: Solve for x
    x = 5,898,750,266,751.43/2,810,208.78
  6. Step 6: Final answer
    x = 2,099,043.43

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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.