Home / 5,192,628.48-7,788,044.16-1,405,226.88

Finding the Fourth Proportional to 5,192,628.48, 7,788,044.16 and 1,405,226.88

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Solution

The fourth proportional to 5,192,628.48, 7,788,044.16 and 1,405,226.88 is: 2,107,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192,628.48 : 7,788,044.16 = 1,405,226.88 : x
  2. Step 2: Convert to fraction form
    5,192,628.48/7,788,044.16 = 1,405,226.88/x
  3. Step 3: Cross multiply
    5,192,628.48x = 7,788,044.16 × 1,405,226.88
  4. Step 4: Simplify right side
    5,192,628.48x = 10,943,968,996,259.02
  5. Step 5: Solve for x
    x = 10,943,968,996,259.02/5,192,628.48
  6. Step 6: Final answer
    x = 2,107,597.15

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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.