Home / 2,785,640.95-3,844,981.67-1,640,385.60

Finding the Fourth Proportional to 2,785,640.95, 3,844,981.67 and 1,640,385.60

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Solution

The fourth proportional to 2,785,640.95, 3,844,981.67 and 1,640,385.60 is: 2,264,201.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,640.95 : 3,844,981.67 = 1,640,385.60 : x
  2. Step 2: Convert to fraction form
    2,785,640.95/3,844,981.67 = 1,640,385.60/x
  3. Step 3: Cross multiply
    2,785,640.95x = 3,844,981.67 × 1,640,385.60
  4. Step 4: Simplify right side
    2,785,640.95x = 6,307,252,563,731.95
  5. Step 5: Solve for x
    x = 6,307,252,563,731.95/2,785,640.95
  6. Step 6: Final answer
    x = 2,264,201.55

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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.