Home / 4,269,076.40-6,401,425.80-1,276,871.60

Finding the Fourth Proportional to 4,269,076.40, 6,401,425.80 and 1,276,871.60

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Solution

The fourth proportional to 4,269,076.40, 6,401,425.80 and 1,276,871.60 is: 1,914,652.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269,076.40 : 6,401,425.80 = 1,276,871.60 : x
  2. Step 2: Convert to fraction form
    4,269,076.40/6,401,425.80 = 1,276,871.60/x
  3. Step 3: Cross multiply
    4,269,076.40x = 6,401,425.80 × 1,276,871.60
  4. Step 4: Simplify right side
    4,269,076.40x = 8,173,798,803,527.28
  5. Step 5: Solve for x
    x = 8,173,798,803,527.28/4,269,076.40
  6. Step 6: Final answer
    x = 1,914,652.73

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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.