Home / 1,820,841.60-2,731,262.40-1,667,314.20

Finding the Fourth Proportional to 1,820,841.60, 2,731,262.40 and 1,667,314.20

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Solution

The fourth proportional to 1,820,841.60, 2,731,262.40 and 1,667,314.20 is: 2,500,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,841.60 : 2,731,262.40 = 1,667,314.20 : x
  2. Step 2: Convert to fraction form
    1,820,841.60/2,731,262.40 = 1,667,314.20/x
  3. Step 3: Cross multiply
    1,820,841.60x = 2,731,262.40 × 1,667,314.20
  4. Step 4: Simplify right side
    1,820,841.60x = 4,553,872,583,446.08
  5. Step 5: Solve for x
    x = 4,553,872,583,446.08/1,820,841.60
  6. Step 6: Final answer
    x = 2,500,971.30

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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.