Home / 1,916,611.20-2,872,497.60-970,243.20

Finding the Fourth Proportional to 1,916,611.20, 2,872,497.60 and 970,243.20

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Solution

The fourth proportional to 1,916,611.20, 2,872,497.60 and 970,243.20 is: 1,454,140.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,611.20 : 2,872,497.60 = 970,243.20 : x
  2. Step 2: Convert to fraction form
    1,916,611.20/2,872,497.60 = 970,243.20/x
  3. Step 3: Cross multiply
    1,916,611.20x = 2,872,497.60 × 970,243.20
  4. Step 4: Simplify right side
    1,916,611.20x = 2,787,021,263,416.32
  5. Step 5: Solve for x
    x = 2,787,021,263,416.32/1,916,611.20
  6. Step 6: Final answer
    x = 1,454,140.13

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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.