Home / 3,132,918.41-4,695,740.78-1,186,409.63

Finding the Fourth Proportional to 3,132,918.41, 4,695,740.78 and 1,186,409.63

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Solution

The fourth proportional to 3,132,918.41, 4,695,740.78 and 1,186,409.63 is: 1,778,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,918.41 : 4,695,740.78 = 1,186,409.63 : x
  2. Step 2: Convert to fraction form
    3,132,918.41/4,695,740.78 = 1,186,409.63/x
  3. Step 3: Cross multiply
    3,132,918.41x = 4,695,740.78 × 1,186,409.63
  4. Step 4: Simplify right side
    3,132,918.41x = 5,571,072,087,183.02
  5. Step 5: Solve for x
    x = 5,571,072,087,183.02/3,132,918.41
  6. Step 6: Final answer
    x = 1,778,237.21

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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.