Home / 3,828,420.70-5,742,631.05-1,555,034.20

Finding the Fourth Proportional to 3,828,420.70, 5,742,631.05 and 1,555,034.20

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Solution

The fourth proportional to 3,828,420.70, 5,742,631.05 and 1,555,034.20 is: 2,332,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,420.70 : 5,742,631.05 = 1,555,034.20 : x
  2. Step 2: Convert to fraction form
    3,828,420.70/5,742,631.05 = 1,555,034.20/x
  3. Step 3: Cross multiply
    3,828,420.70x = 5,742,631.05 × 1,555,034.20
  4. Step 4: Simplify right side
    3,828,420.70x = 8,929,987,680,731.91
  5. Step 5: Solve for x
    x = 8,929,987,680,731.91/3,828,420.70
  6. Step 6: Final answer
    x = 2,332,551.30

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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.