Home / 3,315,979.20-4,971,344.40-1,820,071.20

Finding the Fourth Proportional to 3,315,979.20, 4,971,344.40 and 1,820,071.20

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Solution

The fourth proportional to 3,315,979.20, 4,971,344.40 and 1,820,071.20 is: 2,728,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,979.20 : 4,971,344.40 = 1,820,071.20 : x
  2. Step 2: Convert to fraction form
    3,315,979.20/4,971,344.40 = 1,820,071.20/x
  3. Step 3: Cross multiply
    3,315,979.20x = 4,971,344.40 × 1,820,071.20
  4. Step 4: Simplify right side
    3,315,979.20x = 9,048,200,767,721.28
  5. Step 5: Solve for x
    x = 9,048,200,767,721.28/3,315,979.20
  6. Step 6: Final answer
    x = 2,728,666.32

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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.