Home / 2,076,875.40-3,113,162.70-1,128,241.80

Finding the Fourth Proportional to 2,076,875.40, 3,113,162.70 and 1,128,241.80

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Solution

The fourth proportional to 2,076,875.40, 3,113,162.70 and 1,128,241.80 is: 1,691,194.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,875.40 : 3,113,162.70 = 1,128,241.80 : x
  2. Step 2: Convert to fraction form
    2,076,875.40/3,113,162.70 = 1,128,241.80/x
  3. Step 3: Cross multiply
    2,076,875.40x = 3,113,162.70 × 1,128,241.80
  4. Step 4: Simplify right side
    2,076,875.40x = 3,512,400,288,340.86
  5. Step 5: Solve for x
    x = 3,512,400,288,340.86/2,076,875.40
  6. Step 6: Final answer
    x = 1,691,194.52

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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.