Home / 2,116,903.11-2,921,576.75-1,257,466.78

Finding the Fourth Proportional to 2,116,903.11, 2,921,576.75 and 1,257,466.78

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Solution

The fourth proportional to 2,116,903.11, 2,921,576.75 and 1,257,466.78 is: 1,735,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,903.11 : 2,921,576.75 = 1,257,466.78 : x
  2. Step 2: Convert to fraction form
    2,116,903.11/2,921,576.75 = 1,257,466.78/x
  3. Step 3: Cross multiply
    2,116,903.11x = 2,921,576.75 × 1,257,466.78
  4. Step 4: Simplify right side
    2,116,903.11x = 3,673,785,710,425.50
  5. Step 5: Solve for x
    x = 3,673,785,710,425.50/2,116,903.11
  6. Step 6: Final answer
    x = 1,735,452.94

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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.