Home / 5,903,938.12-8,147,449.40-3,423,639.56

Finding the Fourth Proportional to 5,903,938.12, 8,147,449.40 and 3,423,639.56

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Solution

The fourth proportional to 5,903,938.12, 8,147,449.40 and 3,423,639.56 is: 4,724,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903,938.12 : 8,147,449.40 = 3,423,639.56 : x
  2. Step 2: Convert to fraction form
    5,903,938.12/8,147,449.40 = 3,423,639.56/x
  3. Step 3: Cross multiply
    5,903,938.12x = 8,147,449.40 × 3,423,639.56
  4. Step 4: Simplify right side
    5,903,938.12x = 27,893,930,078,938.27
  5. Step 5: Solve for x
    x = 27,893,930,078,938.27/5,903,938.12
  6. Step 6: Final answer
    x = 4,724,631.17

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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.