Home / 3,603,987.65-4,973,504.89-1,972,394.06

Finding the Fourth Proportional to 3,603,987.65, 4,973,504.89 and 1,972,394.06

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Solution

The fourth proportional to 3,603,987.65, 4,973,504.89 and 1,972,394.06 is: 2,721,904.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603,987.65 : 4,973,504.89 = 1,972,394.06 : x
  2. Step 2: Convert to fraction form
    3,603,987.65/4,973,504.89 = 1,972,394.06/x
  3. Step 3: Cross multiply
    3,603,987.65x = 4,973,504.89 × 1,972,394.06
  4. Step 4: Simplify right side
    3,603,987.65x = 9,809,711,477,549.43
  5. Step 5: Solve for x
    x = 9,809,711,477,549.43/3,603,987.65
  6. Step 6: Final answer
    x = 2,721,904.85

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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.