Home / 2,183,040.78-3,012,598.17-1,216,173.48

Finding the Fourth Proportional to 2,183,040.78, 3,012,598.17 and 1,216,173.48

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Solution

The fourth proportional to 2,183,040.78, 3,012,598.17 and 1,216,173.48 is: 1,678,320.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,040.78 : 3,012,598.17 = 1,216,173.48 : x
  2. Step 2: Convert to fraction form
    2,183,040.78/3,012,598.17 = 1,216,173.48/x
  3. Step 3: Cross multiply
    2,183,040.78x = 3,012,598.17 × 1,216,173.48
  4. Step 4: Simplify right side
    2,183,040.78x = 3,663,842,000,250.53
  5. Step 5: Solve for x
    x = 3,663,842,000,250.53/2,183,040.78
  6. Step 6: Final answer
    x = 1,678,320.46

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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.