Home / 2,077,911.75-2,867,995.59-1,218,748.80

Finding the Fourth Proportional to 2,077,911.75, 2,867,995.59 and 1,218,748.80

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Solution

The fourth proportional to 2,077,911.75, 2,867,995.59 and 1,218,748.80 is: 1,682,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,911.75 : 2,867,995.59 = 1,218,748.80 : x
  2. Step 2: Convert to fraction form
    2,077,911.75/2,867,995.59 = 1,218,748.80/x
  3. Step 3: Cross multiply
    2,077,911.75x = 2,867,995.59 × 1,218,748.80
  4. Step 4: Simplify right side
    2,077,911.75x = 3,495,366,183,717.79
  5. Step 5: Solve for x
    x = 3,495,366,183,717.79/2,077,911.75
  6. Step 6: Final answer
    x = 1,682,153.34

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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.