Home / 3,281,887.40-4,920,498.30-1,259,349.80

Finding the Fourth Proportional to 3,281,887.40, 4,920,498.30 and 1,259,349.80

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Solution

The fourth proportional to 3,281,887.40, 4,920,498.30 and 1,259,349.80 is: 1,888,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,887.40 : 4,920,498.30 = 1,259,349.80 : x
  2. Step 2: Convert to fraction form
    3,281,887.40/4,920,498.30 = 1,259,349.80/x
  3. Step 3: Cross multiply
    3,281,887.40x = 4,920,498.30 × 1,259,349.80
  4. Step 4: Simplify right side
    3,281,887.40x = 6,196,628,550,005.34
  5. Step 5: Solve for x
    x = 6,196,628,550,005.34/3,281,887.40
  6. Step 6: Final answer
    x = 1,888,129.54

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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.