Home / 3,916,185.29-5,404,428.80-2,197,432.92

Finding the Fourth Proportional to 3,916,185.29, 5,404,428.80 and 2,197,432.92

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Solution

The fourth proportional to 3,916,185.29, 5,404,428.80 and 2,197,432.92 is: 3,032,509.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916,185.29 : 5,404,428.80 = 2,197,432.92 : x
  2. Step 2: Convert to fraction form
    3,916,185.29/5,404,428.80 = 2,197,432.92/x
  3. Step 3: Cross multiply
    3,916,185.29x = 5,404,428.80 × 2,197,432.92
  4. Step 4: Simplify right side
    3,916,185.29x = 11,875,869,747,928.93
  5. Step 5: Solve for x
    x = 11,875,869,747,928.93/3,916,185.29
  6. Step 6: Final answer
    x = 3,032,509.67

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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.