Home / 1,638,165.20-2,457,247.80-1,544,853.20

Finding the Fourth Proportional to 1,638,165.20, 2,457,247.80 and 1,544,853.20

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Solution

The fourth proportional to 1,638,165.20, 2,457,247.80 and 1,544,853.20 is: 2,317,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,165.20 : 2,457,247.80 = 1,544,853.20 : x
  2. Step 2: Convert to fraction form
    1,638,165.20/2,457,247.80 = 1,544,853.20/x
  3. Step 3: Cross multiply
    1,638,165.20x = 2,457,247.80 × 1,544,853.20
  4. Step 4: Simplify right side
    1,638,165.20x = 3,796,087,127,022.96
  5. Step 5: Solve for x
    x = 3,796,087,127,022.96/1,638,165.20
  6. Step 6: Final answer
    x = 2,317,279.80

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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.