Home / 4,988,401.40-7,484,805.30-2,428,196.60

Finding the Fourth Proportional to 4,988,401.40, 7,484,805.30 and 2,428,196.60

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Solution

The fourth proportional to 4,988,401.40, 7,484,805.30 and 2,428,196.60 is: 3,643,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988,401.40 : 7,484,805.30 = 2,428,196.60 : x
  2. Step 2: Convert to fraction form
    4,988,401.40/7,484,805.30 = 2,428,196.60/x
  3. Step 3: Cross multiply
    4,988,401.40x = 7,484,805.30 × 2,428,196.60
  4. Step 4: Simplify right side
    4,988,401.40x = 18,174,578,781,121.98
  5. Step 5: Solve for x
    x = 18,174,578,781,121.98/4,988,401.40
  6. Step 6: Final answer
    x = 3,643,367.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.