Home / 3,429,678.69-5,140,033.31-1,405,552.78

Finding the Fourth Proportional to 3,429,678.69, 5,140,033.31 and 1,405,552.78

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Solution

The fourth proportional to 3,429,678.69, 5,140,033.31 and 1,405,552.78 is: 2,106,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,678.69 : 5,140,033.31 = 1,405,552.78 : x
  2. Step 2: Convert to fraction form
    3,429,678.69/5,140,033.31 = 1,405,552.78/x
  3. Step 3: Cross multiply
    3,429,678.69x = 5,140,033.31 × 1,405,552.78
  4. Step 4: Simplify right side
    3,429,678.69x = 7,224,588,105,622.59
  5. Step 5: Solve for x
    x = 7,224,588,105,622.59/3,429,678.69
  6. Step 6: Final answer
    x = 2,106,491.24

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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.