Home / 2,688,368.40-4,032,552.60-693,824.40

Finding the Fourth Proportional to 2,688,368.40, 4,032,552.60 and 693,824.40

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Solution

The fourth proportional to 2,688,368.40, 4,032,552.60 and 693,824.40 is: 1,040,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,368.40 : 4,032,552.60 = 693,824.40 : x
  2. Step 2: Convert to fraction form
    2,688,368.40/4,032,552.60 = 693,824.40/x
  3. Step 3: Cross multiply
    2,688,368.40x = 4,032,552.60 × 693,824.40
  4. Step 4: Simplify right side
    2,688,368.40x = 2,797,883,388,163.44
  5. Step 5: Solve for x
    x = 2,797,883,388,163.44/2,688,368.40
  6. Step 6: Final answer
    x = 1,040,736.60

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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.