Home / 4,812,647.78-7,218,894.18-1,169,406.48

Finding the Fourth Proportional to 4,812,647.78, 7,218,894.18 and 1,169,406.48

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Solution

The fourth proportional to 4,812,647.78, 7,218,894.18 and 1,169,406.48 is: 1,754,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812,647.78 : 7,218,894.18 = 1,169,406.48 : x
  2. Step 2: Convert to fraction form
    4,812,647.78/7,218,894.18 = 1,169,406.48/x
  3. Step 3: Cross multiply
    4,812,647.78x = 7,218,894.18 × 1,169,406.48
  4. Step 4: Simplify right side
    4,812,647.78x = 8,441,821,632,526.29
  5. Step 5: Solve for x
    x = 8,441,821,632,526.29/4,812,647.78
  6. Step 6: Final answer
    x = 1,754,090.89

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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.