Home / 3,078,412.80-4,617,619.20-1,802,954.40

Finding the Fourth Proportional to 3,078,412.80, 4,617,619.20 and 1,802,954.40

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Solution

The fourth proportional to 3,078,412.80, 4,617,619.20 and 1,802,954.40 is: 2,704,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,412.80 : 4,617,619.20 = 1,802,954.40 : x
  2. Step 2: Convert to fraction form
    3,078,412.80/4,617,619.20 = 1,802,954.40/x
  3. Step 3: Cross multiply
    3,078,412.80x = 4,617,619.20 × 1,802,954.40
  4. Step 4: Simplify right side
    3,078,412.80x = 8,325,356,854,164.48
  5. Step 5: Solve for x
    x = 8,325,356,854,164.48/3,078,412.80
  6. Step 6: Final answer
    x = 2,704,431.60

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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.