Home / 3,172,726.92-4,379,495.10-1,883,564.22

Finding the Fourth Proportional to 3,172,726.92, 4,379,495.10 and 1,883,564.22

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Solution

The fourth proportional to 3,172,726.92, 4,379,495.10 and 1,883,564.22 is: 2,599,990.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,726.92 : 4,379,495.10 = 1,883,564.22 : x
  2. Step 2: Convert to fraction form
    3,172,726.92/4,379,495.10 = 1,883,564.22/x
  3. Step 3: Cross multiply
    3,172,726.92x = 4,379,495.10 × 1,883,564.22
  4. Step 4: Simplify right side
    3,172,726.92x = 8,249,060,272,025.32
  5. Step 5: Solve for x
    x = 8,249,060,272,025.32/3,172,726.92
  6. Step 6: Final answer
    x = 2,599,990.63

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1.5x scale

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.