Home / 1,962,820.81-2,941,537.72-1,241,871.89

Finding the Fourth Proportional to 1,962,820.81, 2,941,537.72 and 1,241,871.89

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Solution

The fourth proportional to 1,962,820.81, 2,941,537.72 and 1,241,871.89 is: 1,861,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,820.81 : 2,941,537.72 = 1,241,871.89 : x
  2. Step 2: Convert to fraction form
    1,962,820.81/2,941,537.72 = 1,241,871.89/x
  3. Step 3: Cross multiply
    1,962,820.81x = 2,941,537.72 × 1,241,871.89
  4. Step 4: Simplify right side
    1,962,820.81x = 3,653,013,007,842.69
  5. Step 5: Solve for x
    x = 3,653,013,007,842.69/1,962,820.81
  6. Step 6: Final answer
    x = 1,861,103.67

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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.