Home / 3,931,468.36-5,427,100.32-2,643,056

Finding the Fourth Proportional to 3,931,468.36, 5,427,100.32 and 2,643,056

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Solution

The fourth proportional to 3,931,468.36, 5,427,100.32 and 2,643,056 is: 3,648,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,468.36 : 5,427,100.32 = 2,643,056 : x
  2. Step 2: Convert to fraction form
    3,931,468.36/5,427,100.32 = 2,643,056/x
  3. Step 3: Cross multiply
    3,931,468.36x = 5,427,100.32 × 2,643,056
  4. Step 4: Simplify right side
    3,931,468.36x = 14,344,130,063,377.92
  5. Step 5: Solve for x
    x = 14,344,130,063,377.92/3,931,468.36
  6. Step 6: Final answer
    x = 3,648,542.67

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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.