Home / 2,916,001.80-4,374,002.70-786,301.20

Finding the Fourth Proportional to 2,916,001.80, 4,374,002.70 and 786,301.20

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Solution

The fourth proportional to 2,916,001.80, 4,374,002.70 and 786,301.20 is: 1,179,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,001.80 : 4,374,002.70 = 786,301.20 : x
  2. Step 2: Convert to fraction form
    2,916,001.80/4,374,002.70 = 786,301.20/x
  3. Step 3: Cross multiply
    2,916,001.80x = 4,374,002.70 × 786,301.20
  4. Step 4: Simplify right side
    2,916,001.80x = 3,439,283,571,813.24
  5. Step 5: Solve for x
    x = 3,439,283,571,813.24/2,916,001.80
  6. Step 6: Final answer
    x = 1,179,451.80

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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.