Home / 2,167,191-2,989,589.70-1,340,000.13

Finding the Fourth Proportional to 2,167,191, 2,989,589.70 and 1,340,000.13

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Solution

The fourth proportional to 2,167,191, 2,989,589.70 and 1,340,000.13 is: 1,848,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,191 : 2,989,589.70 = 1,340,000.13 : x
  2. Step 2: Convert to fraction form
    2,167,191/2,989,589.70 = 1,340,000.13/x
  3. Step 3: Cross multiply
    2,167,191x = 2,989,589.70 × 1,340,000.13
  4. Step 4: Simplify right side
    2,167,191x = 4,006,050,586,646.66
  5. Step 5: Solve for x
    x = 4,006,050,586,646.66/2,167,191
  6. Step 6: Final answer
    x = 1,848,499.09

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1.5x scale

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.