Home / 4,189,343.60-6,287,125.80-1,666,809.20

Finding the Fourth Proportional to 4,189,343.60, 6,287,125.80 and 1,666,809.20

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Solution

The fourth proportional to 4,189,343.60, 6,287,125.80 and 1,666,809.20 is: 2,501,451.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189,343.60 : 6,287,125.80 = 1,666,809.20 : x
  2. Step 2: Convert to fraction form
    4,189,343.60/6,287,125.80 = 1,666,809.20/x
  3. Step 3: Cross multiply
    4,189,343.60x = 6,287,125.80 × 1,666,809.20
  4. Step 4: Simplify right side
    4,189,343.60x = 10,479,439,124,997.36
  5. Step 5: Solve for x
    x = 10,479,439,124,997.36/4,189,343.60
  6. Step 6: Final answer
    x = 2,501,451.33

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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.