Home / 2,947,413.75-4,421,119.80-817,498.11

Finding the Fourth Proportional to 2,947,413.75, 4,421,119.80 and 817,498.11

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Solution

The fourth proportional to 2,947,413.75, 4,421,119.80 and 817,498.11 is: 1,226,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,413.75 : 4,421,119.80 = 817,498.11 : x
  2. Step 2: Convert to fraction form
    2,947,413.75/4,421,119.80 = 817,498.11/x
  3. Step 3: Cross multiply
    2,947,413.75x = 4,421,119.80 × 817,498.11
  4. Step 4: Simplify right side
    2,947,413.75x = 3,614,257,080,583.58
  5. Step 5: Solve for x
    x = 3,614,257,080,583.58/2,947,413.75
  6. Step 6: Final answer
    x = 1,226,246.94

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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.