Home / 3,266,940.72-4,508,381.88-1,816,605

Finding the Fourth Proportional to 3,266,940.72, 4,508,381.88 and 1,816,605

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Solution

The fourth proportional to 3,266,940.72, 4,508,381.88 and 1,816,605 is: 2,506,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266,940.72 : 4,508,381.88 = 1,816,605 : x
  2. Step 2: Convert to fraction form
    3,266,940.72/4,508,381.88 = 1,816,605/x
  3. Step 3: Cross multiply
    3,266,940.72x = 4,508,381.88 × 1,816,605
  4. Step 4: Simplify right side
    3,266,940.72x = 8,189,949,065,117.40
  5. Step 5: Solve for x
    x = 8,189,949,065,117.40/3,266,940.72
  6. Step 6: Final answer
    x = 2,506,916.95

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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.