Home / 3,467,390.40-5,200,988.40-1,574,128.80

Finding the Fourth Proportional to 3,467,390.40, 5,200,988.40 and 1,574,128.80

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Solution

The fourth proportional to 3,467,390.40, 5,200,988.40 and 1,574,128.80 is: 2,361,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467,390.40 : 5,200,988.40 = 1,574,128.80 : x
  2. Step 2: Convert to fraction form
    3,467,390.40/5,200,988.40 = 1,574,128.80/x
  3. Step 3: Cross multiply
    3,467,390.40x = 5,200,988.40 × 1,574,128.80
  4. Step 4: Simplify right side
    3,467,390.40x = 8,187,025,628,905.92
  5. Step 5: Solve for x
    x = 8,187,025,628,905.92/3,467,390.40
  6. Step 6: Final answer
    x = 2,361,149.07

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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.