Home / 2,358,138.98-3,535,879.67-820,429.22

Finding the Fourth Proportional to 2,358,138.98, 3,535,879.67 and 820,429.22

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Solution

The fourth proportional to 2,358,138.98, 3,535,879.67 and 820,429.22 is: 1,230,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358,138.98 : 3,535,879.67 = 820,429.22 : x
  2. Step 2: Convert to fraction form
    2,358,138.98/3,535,879.67 = 820,429.22/x
  3. Step 3: Cross multiply
    2,358,138.98x = 3,535,879.67 × 820,429.22
  4. Step 4: Simplify right side
    2,358,138.98x = 2,900,938,999,671.96
  5. Step 5: Solve for x
    x = 2,900,938,999,671.96/2,358,138.98
  6. Step 6: Final answer
    x = 1,230,181.52

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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.