Home / 2,678,588.96-4,017,916.40-785,367.84

Finding the Fourth Proportional to 2,678,588.96, 4,017,916.40 and 785,367.84

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Solution

The fourth proportional to 2,678,588.96, 4,017,916.40 and 785,367.84 is: 1,178,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,588.96 : 4,017,916.40 = 785,367.84 : x
  2. Step 2: Convert to fraction form
    2,678,588.96/4,017,916.40 = 785,367.84/x
  3. Step 3: Cross multiply
    2,678,588.96x = 4,017,916.40 × 785,367.84
  4. Step 4: Simplify right side
    2,678,588.96x = 3,155,542,324,368.58
  5. Step 5: Solve for x
    x = 3,155,542,324,368.58/2,678,588.96
  6. Step 6: Final answer
    x = 1,178,061.42

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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.