Home / 3,938,082.75-5,434,559.06-2,127,246.75

Finding the Fourth Proportional to 3,938,082.75, 5,434,559.06 and 2,127,246.75

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Solution

The fourth proportional to 3,938,082.75, 5,434,559.06 and 2,127,246.75 is: 2,935,603.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,082.75 : 5,434,559.06 = 2,127,246.75 : x
  2. Step 2: Convert to fraction form
    3,938,082.75/5,434,559.06 = 2,127,246.75/x
  3. Step 3: Cross multiply
    3,938,082.75x = 5,434,559.06 × 2,127,246.75
  4. Step 4: Simplify right side
    3,938,082.75x = 11,560,648,087,431.82
  5. Step 5: Solve for x
    x = 11,560,648,087,431.82/3,938,082.75
  6. Step 6: Final answer
    x = 2,935,603.14

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Double scale
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1.5x scale

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.