Home / 3,400,318.74-4,692,439.41-1,872,422.10

Finding the Fourth Proportional to 3,400,318.74, 4,692,439.41 and 1,872,422.10

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Solution

The fourth proportional to 3,400,318.74, 4,692,439.41 and 1,872,422.10 is: 2,583,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400,318.74 : 4,692,439.41 = 1,872,422.10 : x
  2. Step 2: Convert to fraction form
    3,400,318.74/4,692,439.41 = 1,872,422.10/x
  3. Step 3: Cross multiply
    3,400,318.74x = 4,692,439.41 × 1,872,422.10
  4. Step 4: Simplify right side
    3,400,318.74x = 8,786,227,254,194.96
  5. Step 5: Solve for x
    x = 8,786,227,254,194.96/3,400,318.74
  6. Step 6: Final answer
    x = 2,583,942.25

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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.