Home / 2,077,927.76-2,868,017.70-1,218,764.80

Finding the Fourth Proportional to 2,077,927.76, 2,868,017.70 and 1,218,764.80

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Solution

The fourth proportional to 2,077,927.76, 2,868,017.70 and 1,218,764.80 is: 1,682,175.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,927.76 : 2,868,017.70 = 1,218,764.80 : x
  2. Step 2: Convert to fraction form
    2,077,927.76/2,868,017.70 = 1,218,764.80/x
  3. Step 3: Cross multiply
    2,077,927.76x = 2,868,017.70 × 1,218,764.80
  4. Step 4: Simplify right side
    2,077,927.76x = 3,495,439,018,536.96
  5. Step 5: Solve for x
    x = 3,495,439,018,536.96/2,077,927.76
  6. Step 6: Final answer
    x = 1,682,175.43

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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.