Home / 2,927,791.61-4,040,478.69-1,621,043.64

Finding the Fourth Proportional to 2,927,791.61, 4,040,478.69 and 1,621,043.64

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Solution

The fourth proportional to 2,927,791.61, 4,040,478.69 and 1,621,043.64 is: 2,237,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,791.61 : 4,040,478.69 = 1,621,043.64 : x
  2. Step 2: Convert to fraction form
    2,927,791.61/4,040,478.69 = 1,621,043.64/x
  3. Step 3: Cross multiply
    2,927,791.61x = 4,040,478.69 × 1,621,043.64
  4. Step 4: Simplify right side
    2,927,791.61x = 6,549,792,282,980.03
  5. Step 5: Solve for x
    x = 6,549,792,282,980.03/2,927,791.61
  6. Step 6: Final answer
    x = 2,237,110.14

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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.