Home / 2,406,311.76-3,611,231.82-1,938,643.68

Finding the Fourth Proportional to 2,406,311.76, 3,611,231.82 and 1,938,643.68

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Solution

The fourth proportional to 2,406,311.76, 3,611,231.82 and 1,938,643.68 is: 2,909,386.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406,311.76 : 3,611,231.82 = 1,938,643.68 : x
  2. Step 2: Convert to fraction form
    2,406,311.76/3,611,231.82 = 1,938,643.68/x
  3. Step 3: Cross multiply
    2,406,311.76x = 3,611,231.82 × 1,938,643.68
  4. Step 4: Simplify right side
    2,406,311.76x = 7,000,891,744,857.90
  5. Step 5: Solve for x
    x = 7,000,891,744,857.90/2,406,311.76
  6. Step 6: Final answer
    x = 2,909,386.83

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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.