Home / 3,191,193.60-4,786,790.40-947,331.60

Finding the Fourth Proportional to 3,191,193.60, 4,786,790.40 and 947,331.60

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Solution

The fourth proportional to 3,191,193.60, 4,786,790.40 and 947,331.60 is: 1,420,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,193.60 : 4,786,790.40 = 947,331.60 : x
  2. Step 2: Convert to fraction form
    3,191,193.60/4,786,790.40 = 947,331.60/x
  3. Step 3: Cross multiply
    3,191,193.60x = 4,786,790.40 × 947,331.60
  4. Step 4: Simplify right side
    3,191,193.60x = 4,534,677,808,496.64
  5. Step 5: Solve for x
    x = 4,534,677,808,496.64/3,191,193.60
  6. Step 6: Final answer
    x = 1,420,997.40

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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.