Home / 2,816,019.60-4,224,029.40-821,677.20

Finding the Fourth Proportional to 2,816,019.60, 4,224,029.40 and 821,677.20

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Solution

The fourth proportional to 2,816,019.60, 4,224,029.40 and 821,677.20 is: 1,232,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816,019.60 : 4,224,029.40 = 821,677.20 : x
  2. Step 2: Convert to fraction form
    2,816,019.60/4,224,029.40 = 821,677.20/x
  3. Step 3: Cross multiply
    2,816,019.60x = 4,224,029.40 × 821,677.20
  4. Step 4: Simplify right side
    2,816,019.60x = 3,470,788,650,109.68
  5. Step 5: Solve for x
    x = 3,470,788,650,109.68/2,816,019.60
  6. Step 6: Final answer
    x = 1,232,515.80

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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.