Home / 3,210,215.09-4,815,331.74-814,061.34

Finding the Fourth Proportional to 3,210,215.09, 4,815,331.74 and 814,061.34

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Solution

The fourth proportional to 3,210,215.09, 4,815,331.74 and 814,061.34 is: 1,221,094.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,215.09 : 4,815,331.74 = 814,061.34 : x
  2. Step 2: Convert to fraction form
    3,210,215.09/4,815,331.74 = 814,061.34/x
  3. Step 3: Cross multiply
    3,210,215.09x = 4,815,331.74 × 814,061.34
  4. Step 4: Simplify right side
    3,210,215.09x = 3,919,975,408,808.93
  5. Step 5: Solve for x
    x = 3,919,975,408,808.93/3,210,215.09
  6. Step 6: Final answer
    x = 1,221,094.32

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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.