Home / 2,628,415.31-3,628,854.95-2,015,390.16

Finding the Fourth Proportional to 2,628,415.31, 3,628,854.95 and 2,015,390.16

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Solution

The fourth proportional to 2,628,415.31, 3,628,854.95 and 2,015,390.16 is: 2,782,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,415.31 : 3,628,854.95 = 2,015,390.16 : x
  2. Step 2: Convert to fraction form
    2,628,415.31/3,628,854.95 = 2,015,390.16/x
  3. Step 3: Cross multiply
    2,628,415.31x = 3,628,854.95 × 2,015,390.16
  4. Step 4: Simplify right side
    2,628,415.31x = 7,313,558,548,220.34
  5. Step 5: Solve for x
    x = 7,313,558,548,220.34/2,628,415.31
  6. Step 6: Final answer
    x = 2,782,497.32

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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.