Home / 2,785,639.95-3,844,980.29-1,640,384.60

Finding the Fourth Proportional to 2,785,639.95, 3,844,980.29 and 1,640,384.60

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Solution

The fourth proportional to 2,785,639.95, 3,844,980.29 and 1,640,384.60 is: 2,264,200.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,639.95 : 3,844,980.29 = 1,640,384.60 : x
  2. Step 2: Convert to fraction form
    2,785,639.95/3,844,980.29 = 1,640,384.60/x
  3. Step 3: Cross multiply
    2,785,639.95x = 3,844,980.29 × 1,640,384.60
  4. Step 4: Simplify right side
    2,785,639.95x = 6,307,246,439,895.59
  5. Step 5: Solve for x
    x = 6,307,246,439,895.59/2,785,639.95
  6. Step 6: Final answer
    x = 2,264,200.17

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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.