Home / 4,428,538.80-6,642,808.20-3,357,783.60

Finding the Fourth Proportional to 4,428,538.80, 6,642,808.20 and 3,357,783.60

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Solution

The fourth proportional to 4,428,538.80, 6,642,808.20 and 3,357,783.60 is: 5,036,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,538.80 : 6,642,808.20 = 3,357,783.60 : x
  2. Step 2: Convert to fraction form
    4,428,538.80/6,642,808.20 = 3,357,783.60/x
  3. Step 3: Cross multiply
    4,428,538.80x = 6,642,808.20 × 3,357,783.60
  4. Step 4: Simplify right side
    4,428,538.80x = 22,305,112,431,905.52
  5. Step 5: Solve for x
    x = 22,305,112,431,905.52/4,428,538.80
  6. Step 6: Final answer
    x = 5,036,675.40

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Similar ratio
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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.