Home / 4,675,687.20-7,008,001.20-2,430,669.60

Finding the Fourth Proportional to 4,675,687.20, 7,008,001.20 and 2,430,669.60

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Solution

The fourth proportional to 4,675,687.20, 7,008,001.20 and 2,430,669.60 is: 3,643,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675,687.20 : 7,008,001.20 = 2,430,669.60 : x
  2. Step 2: Convert to fraction form
    4,675,687.20/7,008,001.20 = 2,430,669.60/x
  3. Step 3: Cross multiply
    4,675,687.20x = 7,008,001.20 × 2,430,669.60
  4. Step 4: Simplify right side
    4,675,687.20x = 17,034,135,473,603.52
  5. Step 5: Solve for x
    x = 17,034,135,473,603.52/4,675,687.20
  6. Step 6: Final answer
    x = 3,643,129.82

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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.