Home / 3,937,286-5,435,816.64-2,581,520.96

Finding the Fourth Proportional to 3,937,286, 5,435,816.64 and 2,581,520.96

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Solution

The fourth proportional to 3,937,286, 5,435,816.64 and 2,581,520.96 is: 3,564,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,286 : 5,435,816.64 = 2,581,520.96 : x
  2. Step 2: Convert to fraction form
    3,937,286/5,435,816.64 = 2,581,520.96/x
  3. Step 3: Cross multiply
    3,937,286x = 5,435,816.64 × 2,581,520.96
  4. Step 4: Simplify right side
    3,937,286x = 14,032,674,590,876.77
  5. Step 5: Solve for x
    x = 14,032,674,590,876.77/3,937,286
  6. Step 6: Final answer
    x = 3,564,047.57

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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.