Home / 2,971,384.40-4,456,558.20-1,077,150.80

Finding the Fourth Proportional to 2,971,384.40, 4,456,558.20 and 1,077,150.80

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Solution

The fourth proportional to 2,971,384.40, 4,456,558.20 and 1,077,150.80 is: 1,615,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971,384.40 : 4,456,558.20 = 1,077,150.80 : x
  2. Step 2: Convert to fraction form
    2,971,384.40/4,456,558.20 = 1,077,150.80/x
  3. Step 3: Cross multiply
    2,971,384.40x = 4,456,558.20 × 1,077,150.80
  4. Step 4: Simplify right side
    2,971,384.40x = 4,800,385,230,376.56
  5. Step 5: Solve for x
    x = 4,800,385,230,376.56/2,971,384.40
  6. Step 6: Final answer
    x = 1,615,538.28

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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.