Home / 5,140,306-7,710,403.60-2,106,995.77

Finding the Fourth Proportional to 5,140,306, 7,710,403.60 and 2,106,995.77

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Solution

The fourth proportional to 5,140,306, 7,710,403.60 and 2,106,995.77 is: 3,160,470.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,306 : 7,710,403.60 = 2,106,995.77 : x
  2. Step 2: Convert to fraction form
    5,140,306/7,710,403.60 = 2,106,995.77/x
  3. Step 3: Cross multiply
    5,140,306x = 7,710,403.60 × 2,106,995.77
  4. Step 4: Simplify right side
    5,140,306x = 16,245,787,770,192.77
  5. Step 5: Solve for x
    x = 16,245,787,770,192.77/5,140,306
  6. Step 6: Final answer
    x = 3,160,470.95

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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.