Home / 2,990,245.54-4,487,349.33-1,643,348.74

Finding the Fourth Proportional to 2,990,245.54, 4,487,349.33 and 1,643,348.74

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Solution

The fourth proportional to 2,990,245.54, 4,487,349.33 and 1,643,348.74 is: 2,466,111.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,245.54 : 4,487,349.33 = 1,643,348.74 : x
  2. Step 2: Convert to fraction form
    2,990,245.54/4,487,349.33 = 1,643,348.74/x
  3. Step 3: Cross multiply
    2,990,245.54x = 4,487,349.33 × 1,643,348.74
  4. Step 4: Simplify right side
    2,990,245.54x = 7,374,279,867,395.35
  5. Step 5: Solve for x
    x = 7,374,279,867,395.35/2,990,245.54
  6. Step 6: Final answer
    x = 2,466,111.82

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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.