Home / 2,128,803.60-3,196,891.80-1,502,115.60

Finding the Fourth Proportional to 2,128,803.60, 3,196,891.80 and 1,502,115.60

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Solution

The fourth proportional to 2,128,803.60, 3,196,891.80 and 1,502,115.60 is: 2,255,774.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,803.60 : 3,196,891.80 = 1,502,115.60 : x
  2. Step 2: Convert to fraction form
    2,128,803.60/3,196,891.80 = 1,502,115.60/x
  3. Step 3: Cross multiply
    2,128,803.60x = 3,196,891.80 × 1,502,115.60
  4. Step 4: Simplify right side
    2,128,803.60x = 4,802,101,044,292.08
  5. Step 5: Solve for x
    x = 4,802,101,044,292.08/2,128,803.60
  6. Step 6: Final answer
    x = 2,255,774.58

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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.