Home / 2,968,643.80-4,452,965.70-1,941,191.20

Finding the Fourth Proportional to 2,968,643.80, 4,452,965.70 and 1,941,191.20

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Solution

The fourth proportional to 2,968,643.80, 4,452,965.70 and 1,941,191.20 is: 2,911,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968,643.80 : 4,452,965.70 = 1,941,191.20 : x
  2. Step 2: Convert to fraction form
    2,968,643.80/4,452,965.70 = 1,941,191.20/x
  3. Step 3: Cross multiply
    2,968,643.80x = 4,452,965.70 × 1,941,191.20
  4. Step 4: Simplify right side
    2,968,643.80x = 8,644,057,830,741.84
  5. Step 5: Solve for x
    x = 8,644,057,830,741.84/2,968,643.80
  6. Step 6: Final answer
    x = 2,911,786.80

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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.