Home / 3,018,188.64-4,165,179.12-1,660,097.28

Finding the Fourth Proportional to 3,018,188.64, 4,165,179.12 and 1,660,097.28

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Solution

The fourth proportional to 3,018,188.64, 4,165,179.12 and 1,660,097.28 is: 2,290,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018,188.64 : 4,165,179.12 = 1,660,097.28 : x
  2. Step 2: Convert to fraction form
    3,018,188.64/4,165,179.12 = 1,660,097.28/x
  3. Step 3: Cross multiply
    3,018,188.64x = 4,165,179.12 × 1,660,097.28
  4. Step 4: Simplify right side
    3,018,188.64x = 6,914,602,527,824.79
  5. Step 5: Solve for x
    x = 6,914,602,527,824.79/3,018,188.64
  6. Step 6: Final answer
    x = 2,290,977.59

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1.5x scale

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.