Home / 1,638,297.10-2,457,445.65-1,491,330.70

Finding the Fourth Proportional to 1,638,297.10, 2,457,445.65 and 1,491,330.70

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Solution

The fourth proportional to 1,638,297.10, 2,457,445.65 and 1,491,330.70 is: 2,236,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,297.10 : 2,457,445.65 = 1,491,330.70 : x
  2. Step 2: Convert to fraction form
    1,638,297.10/2,457,445.65 = 1,491,330.70/x
  3. Step 3: Cross multiply
    1,638,297.10x = 2,457,445.65 × 1,491,330.70
  4. Step 4: Simplify right side
    1,638,297.10x = 3,664,864,141,426.45
  5. Step 5: Solve for x
    x = 3,664,864,141,426.45/1,638,297.10
  6. Step 6: Final answer
    x = 2,236,996.05

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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.