Home / 6,406,471.40-9,611,118.75-1,857,710.10

Finding the Fourth Proportional to 6,406,471.40, 9,611,118.75 and 1,857,710.10

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Solution

The fourth proportional to 6,406,471.40, 9,611,118.75 and 1,857,710.10 is: 2,786,974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406,471.40 : 9,611,118.75 = 1,857,710.10 : x
  2. Step 2: Convert to fraction form
    6,406,471.40/9,611,118.75 = 1,857,710.10/x
  3. Step 3: Cross multiply
    6,406,471.40x = 9,611,118.75 × 1,857,710.10
  4. Step 4: Simplify right side
    6,406,471.40x = 17,854,672,374,174.38
  5. Step 5: Solve for x
    x = 17,854,672,374,174.38/6,406,471.40
  6. Step 6: Final answer
    x = 2,786,974.49

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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.