Home / 1,788,855.91-2,683,583.07-1,404,589.20

Finding the Fourth Proportional to 1,788,855.91, 2,683,583.07 and 1,404,589.20

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Solution

The fourth proportional to 1,788,855.91, 2,683,583.07 and 1,404,589.20 is: 2,107,118.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,855.91 : 2,683,583.07 = 1,404,589.20 : x
  2. Step 2: Convert to fraction form
    1,788,855.91/2,683,583.07 = 1,404,589.20/x
  3. Step 3: Cross multiply
    1,788,855.91x = 2,683,583.07 × 1,404,589.20
  4. Step 4: Simplify right side
    1,788,855.91x = 3,769,331,787,417.76
  5. Step 5: Solve for x
    x = 3,769,331,787,417.76/1,788,855.91
  6. Step 6: Final answer
    x = 2,107,118.72

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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.