Home / 2,998,518.84-4,138,055.64-1,640,391.84

Finding the Fourth Proportional to 2,998,518.84, 4,138,055.64 and 1,640,391.84

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Solution

The fourth proportional to 2,998,518.84, 4,138,055.64 and 1,640,391.84 is: 2,263,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,518.84 : 4,138,055.64 = 1,640,391.84 : x
  2. Step 2: Convert to fraction form
    2,998,518.84/4,138,055.64 = 1,640,391.84/x
  3. Step 3: Cross multiply
    2,998,518.84x = 4,138,055.64 × 1,640,391.84
  4. Step 4: Simplify right side
    2,998,518.84x = 6,788,032,705,321.98
  5. Step 5: Solve for x
    x = 6,788,032,705,321.98/2,998,518.84
  6. Step 6: Final answer
    x = 2,263,795.25

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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.