Home / 3,621,456.30-5,432,840.55-1,819,805.70

Finding the Fourth Proportional to 3,621,456.30, 5,432,840.55 and 1,819,805.70

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Solution

The fourth proportional to 3,621,456.30, 5,432,840.55 and 1,819,805.70 is: 2,730,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,456.30 : 5,432,840.55 = 1,819,805.70 : x
  2. Step 2: Convert to fraction form
    3,621,456.30/5,432,840.55 = 1,819,805.70/x
  3. Step 3: Cross multiply
    3,621,456.30x = 5,432,840.55 × 1,819,805.70
  4. Step 4: Simplify right side
    3,621,456.30x = 9,886,714,200,081.14
  5. Step 5: Solve for x
    x = 9,886,714,200,081.14/3,621,456.30
  6. Step 6: Final answer
    x = 2,730,038.24

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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.