Home / 2,580,012.35-3,870,019.20-758,377.35

Finding the Fourth Proportional to 2,580,012.35, 3,870,019.20 and 758,377.35

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Solution

The fourth proportional to 2,580,012.35, 3,870,019.20 and 758,377.35 is: 1,137,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,012.35 : 3,870,019.20 = 758,377.35 : x
  2. Step 2: Convert to fraction form
    2,580,012.35/3,870,019.20 = 758,377.35/x
  3. Step 3: Cross multiply
    2,580,012.35x = 3,870,019.20 × 758,377.35
  4. Step 4: Simplify right side
    2,580,012.35x = 2,934,934,905,345.12
  5. Step 5: Solve for x
    x = 2,934,934,905,345.12/2,580,012.35
  6. Step 6: Final answer
    x = 1,137,566.23

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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.