Home / 3,420,010.80-5,130,016.20-895,921.20

Finding the Fourth Proportional to 3,420,010.80, 5,130,016.20 and 895,921.20

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Solution

The fourth proportional to 3,420,010.80, 5,130,016.20 and 895,921.20 is: 1,343,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,010.80 : 5,130,016.20 = 895,921.20 : x
  2. Step 2: Convert to fraction form
    3,420,010.80/5,130,016.20 = 895,921.20/x
  3. Step 3: Cross multiply
    3,420,010.80x = 5,130,016.20 × 895,921.20
  4. Step 4: Simplify right side
    3,420,010.80x = 4,596,090,269,923.44
  5. Step 5: Solve for x
    x = 4,596,090,269,923.44/3,420,010.80
  6. Step 6: Final answer
    x = 1,343,881.80

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1.5x scale

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.