Home / 5,357,128.62-8,035,649.19-2,162,205.93

Finding the Fourth Proportional to 5,357,128.62, 8,035,649.19 and 2,162,205.93

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Solution

The fourth proportional to 5,357,128.62, 8,035,649.19 and 2,162,205.93 is: 3,243,291.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357,128.62 : 8,035,649.19 = 2,162,205.93 : x
  2. Step 2: Convert to fraction form
    5,357,128.62/8,035,649.19 = 2,162,205.93/x
  3. Step 3: Cross multiply
    5,357,128.62x = 8,035,649.19 × 2,162,205.93
  4. Step 4: Simplify right side
    5,357,128.62x = 17,374,728,330,017.70
  5. Step 5: Solve for x
    x = 17,374,728,330,017.70/5,357,128.62
  6. Step 6: Final answer
    x = 3,243,291.24

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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.