Home / 3,833,964.16-5,290,855.52-2,115,191.68

Finding the Fourth Proportional to 3,833,964.16, 5,290,855.52 and 2,115,191.68

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Solution

The fourth proportional to 3,833,964.16, 5,290,855.52 and 2,115,191.68 is: 2,918,956.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833,964.16 : 5,290,855.52 = 2,115,191.68 : x
  2. Step 2: Convert to fraction form
    3,833,964.16/5,290,855.52 = 2,115,191.68/x
  3. Step 3: Cross multiply
    3,833,964.16x = 5,290,855.52 × 2,115,191.68
  4. Step 4: Simplify right side
    3,833,964.16x = 11,191,173,575,986.07
  5. Step 5: Solve for x
    x = 11,191,173,575,986.07/3,833,964.16
  6. Step 6: Final answer
    x = 2,918,956.23

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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.