Home / 6,430,853.20-9,646,181.52-2,174,011.60

Finding the Fourth Proportional to 6,430,853.20, 9,646,181.52 and 2,174,011.60

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Solution

The fourth proportional to 6,430,853.20, 9,646,181.52 and 2,174,011.60 is: 3,260,984.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,853.20 : 9,646,181.52 = 2,174,011.60 : x
  2. Step 2: Convert to fraction form
    6,430,853.20/9,646,181.52 = 2,174,011.60/x
  3. Step 3: Cross multiply
    6,430,853.20x = 9,646,181.52 × 2,174,011.60
  4. Step 4: Simplify right side
    6,430,853.20x = 20,970,910,520,185.63
  5. Step 5: Solve for x
    x = 20,970,910,520,185.63/6,430,853.20
  6. Step 6: Final answer
    x = 3,260,984.18

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1.5x scale

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.