Home / 3,931,494.55-5,427,136.43-2,643,082.27

Finding the Fourth Proportional to 3,931,494.55, 5,427,136.43 and 2,643,082.27

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Solution

The fourth proportional to 3,931,494.55, 5,427,136.43 and 2,643,082.27 is: 3,648,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,494.55 : 5,427,136.43 = 2,643,082.27 : x
  2. Step 2: Convert to fraction form
    3,931,494.55/5,427,136.43 = 2,643,082.27/x
  3. Step 3: Cross multiply
    3,931,494.55x = 5,427,136.43 × 2,643,082.27
  4. Step 4: Simplify right side
    3,931,494.55x = 14,344,368,075,004.10
  5. Step 5: Solve for x
    x = 14,344,368,075,004.10/3,931,494.55
  6. Step 6: Final answer
    x = 3,648,578.90

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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.