Home / 4,680,461.40-7,021,469.70-1,840,666.20

Finding the Fourth Proportional to 4,680,461.40, 7,021,469.70 and 1,840,666.20

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Solution

The fourth proportional to 4,680,461.40, 7,021,469.70 and 1,840,666.20 is: 2,761,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,461.40 : 7,021,469.70 = 1,840,666.20 : x
  2. Step 2: Convert to fraction form
    4,680,461.40/7,021,469.70 = 1,840,666.20/x
  3. Step 3: Cross multiply
    4,680,461.40x = 7,021,469.70 × 1,840,666.20
  4. Step 4: Simplify right side
    4,680,461.40x = 12,924,181,951,114.14
  5. Step 5: Solve for x
    x = 12,924,181,951,114.14/4,680,461.40
  6. Step 6: Final answer
    x = 2,761,305.10

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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.