Home / 2,205,715.12-3,309,237.12-785,586.40

Finding the Fourth Proportional to 2,205,715.12, 3,309,237.12 and 785,586.40

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Solution

The fourth proportional to 2,205,715.12, 3,309,237.12 and 785,586.40 is: 1,178,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,715.12 : 3,309,237.12 = 785,586.40 : x
  2. Step 2: Convert to fraction form
    2,205,715.12/3,309,237.12 = 785,586.40/x
  3. Step 3: Cross multiply
    2,205,715.12x = 3,309,237.12 × 785,586.40
  4. Step 4: Simplify right side
    2,205,715.12x = 2,599,691,675,847.17
  5. Step 5: Solve for x
    x = 2,599,691,675,847.17/2,205,715.12
  6. Step 6: Final answer
    x = 1,178,616.25

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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.