Home / 3,150,404.60-4,729,106.10-1,953,678.20

Finding the Fourth Proportional to 3,150,404.60, 4,729,106.10 and 1,953,678.20

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Solution

The fourth proportional to 3,150,404.60, 4,729,106.10 and 1,953,678.20 is: 2,932,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,404.60 : 4,729,106.10 = 1,953,678.20 : x
  2. Step 2: Convert to fraction form
    3,150,404.60/4,729,106.10 = 1,953,678.20/x
  3. Step 3: Cross multiply
    3,150,404.60x = 4,729,106.10 × 1,953,678.20
  4. Step 4: Simplify right side
    3,150,404.60x = 9,239,151,493,057.02
  5. Step 5: Solve for x
    x = 9,239,151,493,057.02/3,150,404.60
  6. Step 6: Final answer
    x = 2,932,687.28

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1.5x scale

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.