Home / 2,157,044.73-2,976,784.02-1,190,237.30

Finding the Fourth Proportional to 2,157,044.73, 2,976,784.02 and 1,190,237.30

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Solution

The fourth proportional to 2,157,044.73, 2,976,784.02 and 1,190,237.30 is: 1,642,561.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,044.73 : 2,976,784.02 = 1,190,237.30 : x
  2. Step 2: Convert to fraction form
    2,157,044.73/2,976,784.02 = 1,190,237.30/x
  3. Step 3: Cross multiply
    2,157,044.73x = 2,976,784.02 × 1,190,237.30
  4. Step 4: Simplify right side
    2,157,044.73x = 3,543,079,370,926.97
  5. Step 5: Solve for x
    x = 3,543,079,370,926.97/2,157,044.73
  6. Step 6: Final answer
    x = 1,642,561.85

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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.