Home / 2,637,838.47-3,640,599.41-1,520,009.78

Finding the Fourth Proportional to 2,637,838.47, 3,640,599.41 and 1,520,009.78

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Solution

The fourth proportional to 2,637,838.47, 3,640,599.41 and 1,520,009.78 is: 2,097,833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637,838.47 : 3,640,599.41 = 1,520,009.78 : x
  2. Step 2: Convert to fraction form
    2,637,838.47/3,640,599.41 = 1,520,009.78/x
  3. Step 3: Cross multiply
    2,637,838.47x = 3,640,599.41 × 1,520,009.78
  4. Step 4: Simplify right side
    2,637,838.47x = 5,533,746,692,698.37
  5. Step 5: Solve for x
    x = 5,533,746,692,698.37/2,637,838.47
  6. Step 6: Final answer
    x = 2,097,833.79

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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.