Home / 6,612,476.40-9,918,714.60-1,820,905.20

Finding the Fourth Proportional to 6,612,476.40, 9,918,714.60 and 1,820,905.20

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Solution

The fourth proportional to 6,612,476.40, 9,918,714.60 and 1,820,905.20 is: 2,731,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612,476.40 : 9,918,714.60 = 1,820,905.20 : x
  2. Step 2: Convert to fraction form
    6,612,476.40/9,918,714.60 = 1,820,905.20/x
  3. Step 3: Cross multiply
    6,612,476.40x = 9,918,714.60 × 1,820,905.20
  4. Step 4: Simplify right side
    6,612,476.40x = 18,061,038,992,455.92
  5. Step 5: Solve for x
    x = 18,061,038,992,455.92/6,612,476.40
  6. Step 6: Final answer
    x = 2,731,357.80

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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.