Home / 2,077,308.45-2,866,180.79-1,217,702.63

Finding the Fourth Proportional to 2,077,308.45, 2,866,180.79 and 1,217,702.63

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Solution

The fourth proportional to 2,077,308.45, 2,866,180.79 and 1,217,702.63 is: 1,680,133.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,308.45 : 2,866,180.79 = 1,217,702.63 : x
  2. Step 2: Convert to fraction form
    2,077,308.45/2,866,180.79 = 1,217,702.63/x
  3. Step 3: Cross multiply
    2,077,308.45x = 2,866,180.79 × 1,217,702.63
  4. Step 4: Simplify right side
    2,077,308.45x = 3,490,155,905,290.75
  5. Step 5: Solve for x
    x = 3,490,155,905,290.75/2,077,308.45
  6. Step 6: Final answer
    x = 1,680,133.69

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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.