Home / 3,078,987.40-4,624,010.70-2,238,488.20

Finding the Fourth Proportional to 3,078,987.40, 4,624,010.70 and 2,238,488.20

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Solution

The fourth proportional to 3,078,987.40, 4,624,010.70 and 2,238,488.20 is: 3,361,752.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,987.40 : 4,624,010.70 = 2,238,488.20 : x
  2. Step 2: Convert to fraction form
    3,078,987.40/4,624,010.70 = 2,238,488.20/x
  3. Step 3: Cross multiply
    3,078,987.40x = 4,624,010.70 × 2,238,488.20
  4. Step 4: Simplify right side
    3,078,987.40x = 10,350,793,388,623.74
  5. Step 5: Solve for x
    x = 10,350,793,388,623.74/3,078,987.40
  6. Step 6: Final answer
    x = 3,361,752.43

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1.5x scale

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.