Home / 3,018,190.64-4,165,181.88-1,660,099.28

Finding the Fourth Proportional to 3,018,190.64, 4,165,181.88 and 1,660,099.28

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Solution

The fourth proportional to 3,018,190.64, 4,165,181.88 and 1,660,099.28 is: 2,290,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018,190.64 : 4,165,181.88 = 1,660,099.28 : x
  2. Step 2: Convert to fraction form
    3,018,190.64/4,165,181.88 = 1,660,099.28/x
  3. Step 3: Cross multiply
    3,018,190.64x = 4,165,181.88 × 1,660,099.28
  4. Step 4: Simplify right side
    3,018,190.64x = 6,914,615,440,057.05
  5. Step 5: Solve for x
    x = 6,914,615,440,057.05/3,018,190.64
  6. Step 6: Final answer
    x = 2,290,980.35

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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.