Home / 2,183,607.18-3,013,347.42-1,216,778.22

Finding the Fourth Proportional to 2,183,607.18, 3,013,347.42 and 1,216,778.22

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Solution

The fourth proportional to 2,183,607.18, 3,013,347.42 and 1,216,778.22 is: 1,679,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,607.18 : 3,013,347.42 = 1,216,778.22 : x
  2. Step 2: Convert to fraction form
    2,183,607.18/3,013,347.42 = 1,216,778.22/x
  3. Step 3: Cross multiply
    2,183,607.18x = 3,013,347.42 × 1,216,778.22
  4. Step 4: Simplify right side
    2,183,607.18x = 3,666,575,509,949.19
  5. Step 5: Solve for x
    x = 3,666,575,509,949.19/2,183,607.18
  6. Step 6: Final answer
    x = 1,679,136.95

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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.