Home / 3,221,619.39-4,445,740.76-1,771,313.31

Finding the Fourth Proportional to 3,221,619.39, 4,445,740.76 and 1,771,313.31

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Solution

The fourth proportional to 3,221,619.39, 4,445,740.76 and 1,771,313.31 is: 2,444,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,619.39 : 4,445,740.76 = 1,771,313.31 : x
  2. Step 2: Convert to fraction form
    3,221,619.39/4,445,740.76 = 1,771,313.31/x
  3. Step 3: Cross multiply
    3,221,619.39x = 4,445,740.76 × 1,771,313.31
  4. Step 4: Simplify right side
    3,221,619.39x = 7,874,799,772,140.95
  5. Step 5: Solve for x
    x = 7,874,799,772,140.95/3,221,619.39
  6. Step 6: Final answer
    x = 2,444,360.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.