Home / 4,999,128-7,499,970.72-1,453,272

Finding the Fourth Proportional to 4,999,128, 7,499,970.72 and 1,453,272

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Solution

The fourth proportional to 4,999,128, 7,499,970.72 and 1,453,272 is: 2,180,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999,128 : 7,499,970.72 = 1,453,272 : x
  2. Step 2: Convert to fraction form
    4,999,128/7,499,970.72 = 1,453,272/x
  3. Step 3: Cross multiply
    4,999,128x = 7,499,970.72 × 1,453,272
  4. Step 4: Simplify right side
    4,999,128x = 10,899,497,448,195.84
  5. Step 5: Solve for x
    x = 10,899,497,448,195.84/4,999,128
  6. Step 6: Final answer
    x = 2,180,279.73

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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.