Home / 3,012,153.76-4,156,777.20-1,654,112.80

Finding the Fourth Proportional to 3,012,153.76, 4,156,777.20 and 1,654,112.80

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Solution

The fourth proportional to 3,012,153.76, 4,156,777.20 and 1,654,112.80 is: 2,282,678.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,153.76 : 4,156,777.20 = 1,654,112.80 : x
  2. Step 2: Convert to fraction form
    3,012,153.76/4,156,777.20 = 1,654,112.80/x
  3. Step 3: Cross multiply
    3,012,153.76x = 4,156,777.20 × 1,654,112.80
  4. Step 4: Simplify right side
    3,012,153.76x = 6,875,778,373,268.16
  5. Step 5: Solve for x
    x = 6,875,778,373,268.16/3,012,153.76
  6. Step 6: Final answer
    x = 2,282,678.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.