Home / 6,329,048.58-8,734,128.78-3,428,439.36

Finding the Fourth Proportional to 6,329,048.58, 8,734,128.78 and 3,428,439.36

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Solution

The fourth proportional to 6,329,048.58, 8,734,128.78 and 3,428,439.36 is: 4,731,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,329,048.58 : 8,734,128.78 = 3,428,439.36 : x
  2. Step 2: Convert to fraction form
    6,329,048.58/8,734,128.78 = 3,428,439.36/x
  3. Step 3: Cross multiply
    6,329,048.58x = 8,734,128.78 × 3,428,439.36
  4. Step 4: Simplify right side
    6,329,048.58x = 29,944,430,884,660.78
  5. Step 5: Solve for x
    x = 29,944,430,884,660.78/6,329,048.58
  6. Step 6: Final answer
    x = 4,731,268.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.