Home / 3,148,784.20-4,722,009.90-1,018,937.80

Finding the Fourth Proportional to 3,148,784.20, 4,722,009.90 and 1,018,937.80

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Solution

The fourth proportional to 3,148,784.20, 4,722,009.90 and 1,018,937.80 is: 1,528,029.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,784.20 : 4,722,009.90 = 1,018,937.80 : x
  2. Step 2: Convert to fraction form
    3,148,784.20/4,722,009.90 = 1,018,937.80/x
  3. Step 3: Cross multiply
    3,148,784.20x = 4,722,009.90 × 1,018,937.80
  4. Step 4: Simplify right side
    3,148,784.20x = 4,811,434,379,084.22
  5. Step 5: Solve for x
    x = 4,811,434,379,084.22/3,148,784.20
  6. Step 6: Final answer
    x = 1,528,029.26

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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.