Home / 2,875,144.20-3,968,974.26-1,857,045.48

Finding the Fourth Proportional to 2,875,144.20, 3,968,974.26 and 1,857,045.48

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Solution

The fourth proportional to 2,875,144.20, 3,968,974.26 and 1,857,045.48 is: 2,563,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875,144.20 : 3,968,974.26 = 1,857,045.48 : x
  2. Step 2: Convert to fraction form
    2,875,144.20/3,968,974.26 = 1,857,045.48/x
  3. Step 3: Cross multiply
    2,875,144.20x = 3,968,974.26 × 1,857,045.48
  4. Step 4: Simplify right side
    2,875,144.20x = 7,370,565,709,769.35
  5. Step 5: Solve for x
    x = 7,370,565,709,769.35/2,875,144.20
  6. Step 6: Final answer
    x = 2,563,546.45

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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.