Home / 3,215,773.20-4,823,659.80-971,911.20

Finding the Fourth Proportional to 3,215,773.20, 4,823,659.80 and 971,911.20

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Solution

The fourth proportional to 3,215,773.20, 4,823,659.80 and 971,911.20 is: 1,457,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,773.20 : 4,823,659.80 = 971,911.20 : x
  2. Step 2: Convert to fraction form
    3,215,773.20/4,823,659.80 = 971,911.20/x
  3. Step 3: Cross multiply
    3,215,773.20x = 4,823,659.80 × 971,911.20
  4. Step 4: Simplify right side
    3,215,773.20x = 4,688,168,984,609.76
  5. Step 5: Solve for x
    x = 4,688,168,984,609.76/3,215,773.20
  6. Step 6: Final answer
    x = 1,457,866.80

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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.