Home / 3,118,521.92-4,303,630.86-1,830,291.44

Finding the Fourth Proportional to 3,118,521.92, 4,303,630.86 and 1,830,291.44

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Solution

The fourth proportional to 3,118,521.92, 4,303,630.86 and 1,830,291.44 is: 2,525,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,521.92 : 4,303,630.86 = 1,830,291.44 : x
  2. Step 2: Convert to fraction form
    3,118,521.92/4,303,630.86 = 1,830,291.44/x
  3. Step 3: Cross multiply
    3,118,521.92x = 4,303,630.86 × 1,830,291.44
  4. Step 4: Simplify right side
    3,118,521.92x = 7,876,898,723,977.84
  5. Step 5: Solve for x
    x = 7,876,898,723,977.84/3,118,521.92
  6. Step 6: Final answer
    x = 2,525,843.63

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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.