Home / 1,876,863.23-2,815,516.28-1,406,537.94

Finding the Fourth Proportional to 1,876,863.23, 2,815,516.28 and 1,406,537.94

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Solution

The fourth proportional to 1,876,863.23, 2,815,516.28 and 1,406,537.94 is: 2,109,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,863.23 : 2,815,516.28 = 1,406,537.94 : x
  2. Step 2: Convert to fraction form
    1,876,863.23/2,815,516.28 = 1,406,537.94/x
  3. Step 3: Cross multiply
    1,876,863.23x = 2,815,516.28 × 1,406,537.94
  4. Step 4: Simplify right side
    1,876,863.23x = 3,960,130,477,307.68
  5. Step 5: Solve for x
    x = 3,960,130,477,307.68/1,876,863.23
  6. Step 6: Final answer
    x = 2,109,972.86

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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.