Home / 1,851,871.14-2,778,072.90-572,578.38

Finding the Fourth Proportional to 1,851,871.14, 2,778,072.90 and 572,578.38

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Solution

The fourth proportional to 1,851,871.14, 2,778,072.90 and 572,578.38 is: 858,949.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,871.14 : 2,778,072.90 = 572,578.38 : x
  2. Step 2: Convert to fraction form
    1,851,871.14/2,778,072.90 = 572,578.38/x
  3. Step 3: Cross multiply
    1,851,871.14x = 2,778,072.90 × 572,578.38
  4. Step 4: Simplify right side
    1,851,871.14x = 1,590,664,480,603.90
  5. Step 5: Solve for x
    x = 1,590,664,480,603.90/1,851,871.14
  6. Step 6: Final answer
    x = 858,949.87

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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.