Home / 5,639,021.69-7,781,641.45-3,060,647.51

Finding the Fourth Proportional to 5,639,021.69, 7,781,641.45 and 3,060,647.51

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Solution

The fourth proportional to 5,639,021.69, 7,781,641.45 and 3,060,647.51 is: 4,223,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639,021.69 : 7,781,641.45 = 3,060,647.51 : x
  2. Step 2: Convert to fraction form
    5,639,021.69/7,781,641.45 = 3,060,647.51/x
  3. Step 3: Cross multiply
    5,639,021.69x = 7,781,641.45 × 3,060,647.51
  4. Step 4: Simplify right side
    5,639,021.69x = 23,816,861,481,095.46
  5. Step 5: Solve for x
    x = 23,816,861,481,095.46/5,639,021.69
  6. Step 6: Final answer
    x = 4,223,580.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.