Home / 3,673,280.98-5,509,977.06-1,398,931.28

Finding the Fourth Proportional to 3,673,280.98, 5,509,977.06 and 1,398,931.28

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Solution

The fourth proportional to 3,673,280.98, 5,509,977.06 and 1,398,931.28 is: 2,098,418.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673,280.98 : 5,509,977.06 = 1,398,931.28 : x
  2. Step 2: Convert to fraction form
    3,673,280.98/5,509,977.06 = 1,398,931.28/x
  3. Step 3: Cross multiply
    3,673,280.98x = 5,509,977.06 × 1,398,931.28
  4. Step 4: Simplify right side
    3,673,280.98x = 7,708,079,261,316.44
  5. Step 5: Solve for x
    x = 7,708,079,261,316.44/3,673,280.98
  6. Step 6: Final answer
    x = 2,098,418.09

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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.