Home / 4,705,429.80-7,057,998.90-1,339,636.80

Finding the Fourth Proportional to 4,705,429.80, 7,057,998.90 and 1,339,636.80

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Solution

The fourth proportional to 4,705,429.80, 7,057,998.90 and 1,339,636.80 is: 2,009,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705,429.80 : 7,057,998.90 = 1,339,636.80 : x
  2. Step 2: Convert to fraction form
    4,705,429.80/7,057,998.90 = 1,339,636.80/x
  3. Step 3: Cross multiply
    4,705,429.80x = 7,057,998.90 × 1,339,636.80
  4. Step 4: Simplify right side
    4,705,429.80x = 9,455,155,060,799.52
  5. Step 5: Solve for x
    x = 9,455,155,060,799.52/4,705,429.80
  6. Step 6: Final answer
    x = 2,009,413.69

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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.