Home / 2,078,482.70-3,117,076.05-816,697.10

Finding the Fourth Proportional to 2,078,482.70, 3,117,076.05 and 816,697.10

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Solution

The fourth proportional to 2,078,482.70, 3,117,076.05 and 816,697.10 is: 1,224,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,482.70 : 3,117,076.05 = 816,697.10 : x
  2. Step 2: Convert to fraction form
    2,078,482.70/3,117,076.05 = 816,697.10/x
  3. Step 3: Cross multiply
    2,078,482.70x = 3,117,076.05 × 816,697.10
  4. Step 4: Simplify right side
    2,078,482.70x = 2,545,706,970,514.45
  5. Step 5: Solve for x
    x = 2,545,706,970,514.45/2,078,482.70
  6. Step 6: Final answer
    x = 1,224,791.03

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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.