Home / 2,412,401.40-3,618,602.10-639,473.40

Finding the Fourth Proportional to 2,412,401.40, 3,618,602.10 and 639,473.40

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Solution

The fourth proportional to 2,412,401.40, 3,618,602.10 and 639,473.40 is: 959,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412,401.40 : 3,618,602.10 = 639,473.40 : x
  2. Step 2: Convert to fraction form
    2,412,401.40/3,618,602.10 = 639,473.40/x
  3. Step 3: Cross multiply
    2,412,401.40x = 3,618,602.10 × 639,473.40
  4. Step 4: Simplify right side
    2,412,401.40x = 2,313,999,788,134.14
  5. Step 5: Solve for x
    x = 2,313,999,788,134.14/2,412,401.40
  6. Step 6: Final answer
    x = 959,210.10

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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.