Home / 3,426,785.94-4,728,907.89-1,878,035.70

Finding the Fourth Proportional to 3,426,785.94, 4,728,907.89 and 1,878,035.70

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Solution

The fourth proportional to 3,426,785.94, 4,728,907.89 and 1,878,035.70 is: 2,591,658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,785.94 : 4,728,907.89 = 1,878,035.70 : x
  2. Step 2: Convert to fraction form
    3,426,785.94/4,728,907.89 = 1,878,035.70/x
  3. Step 3: Cross multiply
    3,426,785.94x = 4,728,907.89 × 1,878,035.70
  4. Step 4: Simplify right side
    3,426,785.94x = 8,881,057,839,431.67
  5. Step 5: Solve for x
    x = 8,881,057,839,431.67/3,426,785.94
  6. Step 6: Final answer
    x = 2,591,658.19

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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.