Home / 3,190,197.69-4,400,953.29-2,158,066.80

Finding the Fourth Proportional to 3,190,197.69, 4,400,953.29 and 2,158,066.80

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Solution

The fourth proportional to 3,190,197.69, 4,400,953.29 and 2,158,066.80 is: 2,977,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,197.69 : 4,400,953.29 = 2,158,066.80 : x
  2. Step 2: Convert to fraction form
    3,190,197.69/4,400,953.29 = 2,158,066.80/x
  3. Step 3: Cross multiply
    3,190,197.69x = 4,400,953.29 × 2,158,066.80
  4. Step 4: Simplify right side
    3,190,197.69x = 9,497,551,183,499.77
  5. Step 5: Solve for x
    x = 9,497,551,183,499.77/3,190,197.69
  6. Step 6: Final answer
    x = 2,977,104.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.