Home / 1,493,198.60-2,238,048.30-1,118,784.20

Finding the Fourth Proportional to 1,493,198.60, 2,238,048.30 and 1,118,784.20

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Solution

The fourth proportional to 1,493,198.60, 2,238,048.30 and 1,118,784.20 is: 1,676,865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,198.60 : 2,238,048.30 = 1,118,784.20 : x
  2. Step 2: Convert to fraction form
    1,493,198.60/2,238,048.30 = 1,118,784.20/x
  3. Step 3: Cross multiply
    1,493,198.60x = 2,238,048.30 × 1,118,784.20
  4. Step 4: Simplify right side
    1,493,198.60x = 2,503,893,076,876.86
  5. Step 5: Solve for x
    x = 2,503,893,076,876.86/1,493,198.60
  6. Step 6: Final answer
    x = 1,676,865.41

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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.