Home / 3,210,202.40-4,430,642.12-2,438,387.96

Finding the Fourth Proportional to 3,210,202.40, 4,430,642.12 and 2,438,387.96

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Solution

The fourth proportional to 3,210,202.40, 4,430,642.12 and 2,438,387.96 is: 3,365,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,202.40 : 4,430,642.12 = 2,438,387.96 : x
  2. Step 2: Convert to fraction form
    3,210,202.40/4,430,642.12 = 2,438,387.96/x
  3. Step 3: Cross multiply
    3,210,202.40x = 4,430,642.12 × 2,438,387.96
  4. Step 4: Simplify right side
    3,210,202.40x = 10,803,624,400,476.88
  5. Step 5: Solve for x
    x = 10,803,624,400,476.88/3,210,202.40
  6. Step 6: Final answer
    x = 3,365,402.88

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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.