Home / 2,290,624.20-3,435,936.30-2,159,987.40

Finding the Fourth Proportional to 2,290,624.20, 3,435,936.30 and 2,159,987.40

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Solution

The fourth proportional to 2,290,624.20, 3,435,936.30 and 2,159,987.40 is: 3,239,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,624.20 : 3,435,936.30 = 2,159,987.40 : x
  2. Step 2: Convert to fraction form
    2,290,624.20/3,435,936.30 = 2,159,987.40/x
  3. Step 3: Cross multiply
    2,290,624.20x = 3,435,936.30 × 2,159,987.40
  4. Step 4: Simplify right side
    2,290,624.20x = 7,421,579,115,202.62
  5. Step 5: Solve for x
    x = 7,421,579,115,202.62/2,290,624.20
  6. Step 6: Final answer
    x = 3,239,981.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.