Home / 5,180,699.20-7,771,048.80-1,634,843.20

Finding the Fourth Proportional to 5,180,699.20, 7,771,048.80 and 1,634,843.20

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Solution

The fourth proportional to 5,180,699.20, 7,771,048.80 and 1,634,843.20 is: 2,452,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,699.20 : 7,771,048.80 = 1,634,843.20 : x
  2. Step 2: Convert to fraction form
    5,180,699.20/7,771,048.80 = 1,634,843.20/x
  3. Step 3: Cross multiply
    5,180,699.20x = 7,771,048.80 × 1,634,843.20
  4. Step 4: Simplify right side
    5,180,699.20x = 12,704,446,287,548.16
  5. Step 5: Solve for x
    x = 12,704,446,287,548.16/5,180,699.20
  6. Step 6: Final answer
    x = 2,452,264.80

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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.