Home / 2,920,271.08-4,379,667.20-870,458.62

Finding the Fourth Proportional to 2,920,271.08, 4,379,667.20 and 870,458.62

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Solution

The fourth proportional to 2,920,271.08, 4,379,667.20 and 870,458.62 is: 1,305,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,271.08 : 4,379,667.20 = 870,458.62 : x
  2. Step 2: Convert to fraction form
    2,920,271.08/4,379,667.20 = 870,458.62/x
  3. Step 3: Cross multiply
    2,920,271.08x = 4,379,667.20 × 870,458.62
  4. Step 4: Simplify right side
    2,920,271.08x = 3,812,319,066,971.26
  5. Step 5: Solve for x
    x = 3,812,319,066,971.26/2,920,271.08
  6. Step 6: Final answer
    x = 1,305,467.53

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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.