Home / 2,690,681.70-4,036,022.55-2,543,715.30

Finding the Fourth Proportional to 2,690,681.70, 4,036,022.55 and 2,543,715.30

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Solution

The fourth proportional to 2,690,681.70, 4,036,022.55 and 2,543,715.30 is: 3,815,572.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,681.70 : 4,036,022.55 = 2,543,715.30 : x
  2. Step 2: Convert to fraction form
    2,690,681.70/4,036,022.55 = 2,543,715.30/x
  3. Step 3: Cross multiply
    2,690,681.70x = 4,036,022.55 × 2,543,715.30
  4. Step 4: Simplify right side
    2,690,681.70x = 10,266,492,311,580.01
  5. Step 5: Solve for x
    x = 10,266,492,311,580.01/2,690,681.70
  6. Step 6: Final answer
    x = 3,815,572.95

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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.