Home / 5,270,491.20-7,906,903.20-2,429,918.40

Finding the Fourth Proportional to 5,270,491.20, 7,906,903.20 and 2,429,918.40

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Solution

The fourth proportional to 5,270,491.20, 7,906,903.20 and 2,429,918.40 is: 3,645,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270,491.20 : 7,906,903.20 = 2,429,918.40 : x
  2. Step 2: Convert to fraction form
    5,270,491.20/7,906,903.20 = 2,429,918.40/x
  3. Step 3: Cross multiply
    5,270,491.20x = 7,906,903.20 × 2,429,918.40
  4. Step 4: Simplify right side
    5,270,491.20x = 19,213,129,572,698.88
  5. Step 5: Solve for x
    x = 19,213,129,572,698.88/5,270,491.20
  6. Step 6: Final answer
    x = 3,645,415.36

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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.