Home / 5,208,810.48-7,815,461.04-2,812,179.24

Finding the Fourth Proportional to 5,208,810.48, 7,815,461.04 and 2,812,179.24

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Solution

The fourth proportional to 5,208,810.48, 7,815,461.04 and 2,812,179.24 is: 4,219,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208,810.48 : 7,815,461.04 = 2,812,179.24 : x
  2. Step 2: Convert to fraction form
    5,208,810.48/7,815,461.04 = 2,812,179.24/x
  3. Step 3: Cross multiply
    5,208,810.48x = 7,815,461.04 × 2,812,179.24
  4. Step 4: Simplify right side
    5,208,810.48x = 21,978,477,287,716.81
  5. Step 5: Solve for x
    x = 21,978,477,287,716.81/5,208,810.48
  6. Step 6: Final answer
    x = 4,219,481.08

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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.