Home / 2,317,389.20-3,476,429.40-821,363.60

Finding the Fourth Proportional to 2,317,389.20, 3,476,429.40 and 821,363.60

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Solution

The fourth proportional to 2,317,389.20, 3,476,429.40 and 821,363.60 is: 1,232,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317,389.20 : 3,476,429.40 = 821,363.60 : x
  2. Step 2: Convert to fraction form
    2,317,389.20/3,476,429.40 = 821,363.60/x
  3. Step 3: Cross multiply
    2,317,389.20x = 3,476,429.40 × 821,363.60
  4. Step 4: Simplify right side
    2,317,389.20x = 2,855,412,567,129.84
  5. Step 5: Solve for x
    x = 2,855,412,567,129.84/2,317,389.20
  6. Step 6: Final answer
    x = 1,232,167.89

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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.