Home / 3,928,624.65-5,421,447.59-2,209,746.33

Finding the Fourth Proportional to 3,928,624.65, 5,421,447.59 and 2,209,746.33

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Solution

The fourth proportional to 3,928,624.65, 5,421,447.59 and 2,209,746.33 is: 3,049,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,624.65 : 5,421,447.59 = 2,209,746.33 : x
  2. Step 2: Convert to fraction form
    3,928,624.65/5,421,447.59 = 2,209,746.33/x
  3. Step 3: Cross multiply
    3,928,624.65x = 5,421,447.59 × 2,209,746.33
  4. Step 4: Simplify right side
    3,928,624.65x = 11,980,023,904,241.11
  5. Step 5: Solve for x
    x = 11,980,023,904,241.11/3,928,624.65
  6. Step 6: Final answer
    x = 3,049,419.32

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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.