Home / 2,879,815.59-4,319,971.45-749,903.58

Finding the Fourth Proportional to 2,879,815.59, 4,319,971.45 and 749,903.58

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Solution

The fourth proportional to 2,879,815.59, 4,319,971.45 and 749,903.58 is: 1,124,919.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,815.59 : 4,319,971.45 = 749,903.58 : x
  2. Step 2: Convert to fraction form
    2,879,815.59/4,319,971.45 = 749,903.58/x
  3. Step 3: Cross multiply
    2,879,815.59x = 4,319,971.45 × 749,903.58
  4. Step 4: Simplify right side
    2,879,815.59x = 3,239,562,053,978.03
  5. Step 5: Solve for x
    x = 3,239,562,053,978.03/2,879,815.59
  6. Step 6: Final answer
    x = 1,124,919.97

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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.