Home / 2,271,968.81-3,135,325.76-1,239,499.78

Finding the Fourth Proportional to 2,271,968.81, 3,135,325.76 and 1,239,499.78

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Solution

The fourth proportional to 2,271,968.81, 3,135,325.76 and 1,239,499.78 is: 1,710,514.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271,968.81 : 3,135,325.76 = 1,239,499.78 : x
  2. Step 2: Convert to fraction form
    2,271,968.81/3,135,325.76 = 1,239,499.78/x
  3. Step 3: Cross multiply
    2,271,968.81x = 3,135,325.76 × 1,239,499.78
  4. Step 4: Simplify right side
    2,271,968.81x = 3,886,235,580,360.64
  5. Step 5: Solve for x
    x = 3,886,235,580,360.64/2,271,968.81
  6. Step 6: Final answer
    x = 1,710,514.50

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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.