Home / 3,398,441.58-4,689,982.35-1,870,690.86

Finding the Fourth Proportional to 3,398,441.58, 4,689,982.35 and 1,870,690.86

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Solution

The fourth proportional to 3,398,441.58, 4,689,982.35 and 1,870,690.86 is: 2,581,626.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398,441.58 : 4,689,982.35 = 1,870,690.86 : x
  2. Step 2: Convert to fraction form
    3,398,441.58/4,689,982.35 = 1,870,690.86/x
  3. Step 3: Cross multiply
    3,398,441.58x = 4,689,982.35 × 1,870,690.86
  4. Step 4: Simplify right side
    3,398,441.58x = 8,773,507,115,706.32
  5. Step 5: Solve for x
    x = 8,773,507,115,706.32/3,398,441.58
  6. Step 6: Final answer
    x = 2,581,626.58

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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.