Home / 2,833,158.78-3,909,645.02-1,543,971.49

Finding the Fourth Proportional to 2,833,158.78, 3,909,645.02 and 1,543,971.49

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Solution

The fourth proportional to 2,833,158.78, 3,909,645.02 and 1,543,971.49 is: 2,130,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833,158.78 : 3,909,645.02 = 1,543,971.49 : x
  2. Step 2: Convert to fraction form
    2,833,158.78/3,909,645.02 = 1,543,971.49/x
  3. Step 3: Cross multiply
    2,833,158.78x = 3,909,645.02 × 1,543,971.49
  4. Step 4: Simplify right side
    2,833,158.78x = 6,036,380,440,986.30
  5. Step 5: Solve for x
    x = 6,036,380,440,986.30/2,833,158.78
  6. Step 6: Final answer
    x = 2,130,618.48

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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.