Home / 2,790,648.80-4,181,672.40-2,077,330.40

Finding the Fourth Proportional to 2,790,648.80, 4,181,672.40 and 2,077,330.40

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Solution

The fourth proportional to 2,790,648.80, 4,181,672.40 and 2,077,330.40 is: 3,112,794.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,648.80 : 4,181,672.40 = 2,077,330.40 : x
  2. Step 2: Convert to fraction form
    2,790,648.80/4,181,672.40 = 2,077,330.40/x
  3. Step 3: Cross multiply
    2,790,648.80x = 4,181,672.40 × 2,077,330.40
  4. Step 4: Simplify right side
    2,790,648.80x = 8,686,715,199,360.96
  5. Step 5: Solve for x
    x = 8,686,715,199,360.96/2,790,648.80
  6. Step 6: Final answer
    x = 3,112,794.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.