Home / 2,154,799.28-3,232,232.32-638,634.80

Finding the Fourth Proportional to 2,154,799.28, 3,232,232.32 and 638,634.80

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Solution

The fourth proportional to 2,154,799.28, 3,232,232.32 and 638,634.80 is: 957,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,799.28 : 3,232,232.32 = 638,634.80 : x
  2. Step 2: Convert to fraction form
    2,154,799.28/3,232,232.32 = 638,634.80/x
  3. Step 3: Cross multiply
    2,154,799.28x = 3,232,232.32 × 638,634.80
  4. Step 4: Simplify right side
    2,154,799.28x = 2,064,216,041,236.74
  5. Step 5: Solve for x
    x = 2,064,216,041,236.74/2,154,799.28
  6. Step 6: Final answer
    x = 957,962.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.