Home / 1,808,110.80-2,712,166.20-1,170,381.60

Finding the Fourth Proportional to 1,808,110.80, 2,712,166.20 and 1,170,381.60

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Solution

The fourth proportional to 1,808,110.80, 2,712,166.20 and 1,170,381.60 is: 1,755,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,110.80 : 2,712,166.20 = 1,170,381.60 : x
  2. Step 2: Convert to fraction form
    1,808,110.80/2,712,166.20 = 1,170,381.60/x
  3. Step 3: Cross multiply
    1,808,110.80x = 2,712,166.20 × 1,170,381.60
  4. Step 4: Simplify right side
    1,808,110.80x = 3,174,269,416,621.92
  5. Step 5: Solve for x
    x = 3,174,269,416,621.92/1,808,110.80
  6. Step 6: Final answer
    x = 1,755,572.40

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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.