Home / 1,455,421.80-2,183,132.70-1,446,090.60

Finding the Fourth Proportional to 1,455,421.80, 2,183,132.70 and 1,446,090.60

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Solution

The fourth proportional to 1,455,421.80, 2,183,132.70 and 1,446,090.60 is: 2,169,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,421.80 : 2,183,132.70 = 1,446,090.60 : x
  2. Step 2: Convert to fraction form
    1,455,421.80/2,183,132.70 = 1,446,090.60/x
  3. Step 3: Cross multiply
    1,455,421.80x = 2,183,132.70 × 1,446,090.60
  4. Step 4: Simplify right side
    1,455,421.80x = 3,157,007,676,022.62
  5. Step 5: Solve for x
    x = 3,157,007,676,022.62/1,455,421.80
  6. Step 6: Final answer
    x = 2,169,135.90

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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.