Home / 4,580,811.20-6,871,216.80-1,215,358.40

Finding the Fourth Proportional to 4,580,811.20, 6,871,216.80 and 1,215,358.40

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Solution

The fourth proportional to 4,580,811.20, 6,871,216.80 and 1,215,358.40 is: 1,823,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580,811.20 : 6,871,216.80 = 1,215,358.40 : x
  2. Step 2: Convert to fraction form
    4,580,811.20/6,871,216.80 = 1,215,358.40/x
  3. Step 3: Cross multiply
    4,580,811.20x = 6,871,216.80 × 1,215,358.40
  4. Step 4: Simplify right side
    4,580,811.20x = 8,350,991,056,101.12
  5. Step 5: Solve for x
    x = 8,350,991,056,101.12/4,580,811.20
  6. Step 6: Final answer
    x = 1,823,037.60

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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.