Home / 4,720,801.80-7,081,202.70-1,528,219.20

Finding the Fourth Proportional to 4,720,801.80, 7,081,202.70 and 1,528,219.20

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Solution

The fourth proportional to 4,720,801.80, 7,081,202.70 and 1,528,219.20 is: 2,292,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720,801.80 : 7,081,202.70 = 1,528,219.20 : x
  2. Step 2: Convert to fraction form
    4,720,801.80/7,081,202.70 = 1,528,219.20/x
  3. Step 3: Cross multiply
    4,720,801.80x = 7,081,202.70 × 1,528,219.20
  4. Step 4: Simplify right side
    4,720,801.80x = 10,821,629,925,231.84
  5. Step 5: Solve for x
    x = 10,821,629,925,231.84/4,720,801.80
  6. Step 6: Final answer
    x = 2,292,328.80

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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.