Home / 6,320,615.12-8,722,424.76-3,420,011.60

Finding the Fourth Proportional to 6,320,615.12, 8,722,424.76 and 3,420,011.60

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Solution

The fourth proportional to 6,320,615.12, 8,722,424.76 and 3,420,011.60 is: 4,719,602.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320,615.12 : 8,722,424.76 = 3,420,011.60 : x
  2. Step 2: Convert to fraction form
    6,320,615.12/8,722,424.76 = 3,420,011.60/x
  3. Step 3: Cross multiply
    6,320,615.12x = 8,722,424.76 × 3,420,011.60
  4. Step 4: Simplify right side
    6,320,615.12x = 29,830,793,859,327.21
  5. Step 5: Solve for x
    x = 29,830,793,859,327.21/6,320,615.12
  6. Step 6: Final answer
    x = 4,719,602.96

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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.