Home / 3,079,709.28-4,619,513.10-920,739.48

Finding the Fourth Proportional to 3,079,709.28, 4,619,513.10 and 920,739.48

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Solution

The fourth proportional to 3,079,709.28, 4,619,513.10 and 920,739.48 is: 1,381,094.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,709.28 : 4,619,513.10 = 920,739.48 : x
  2. Step 2: Convert to fraction form
    3,079,709.28/4,619,513.10 = 920,739.48/x
  3. Step 3: Cross multiply
    3,079,709.28x = 4,619,513.10 × 920,739.48
  4. Step 4: Simplify right side
    3,079,709.28x = 4,253,368,089,547.19
  5. Step 5: Solve for x
    x = 4,253,368,089,547.19/3,079,709.28
  6. Step 6: Final answer
    x = 1,381,094.03

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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.