Home / 2,128,691.52-2,940,038.24-1,550,490.88

Finding the Fourth Proportional to 2,128,691.52, 2,940,038.24 and 1,550,490.88

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Solution

The fourth proportional to 2,128,691.52, 2,940,038.24 and 1,550,490.88 is: 2,141,457.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,691.52 : 2,940,038.24 = 1,550,490.88 : x
  2. Step 2: Convert to fraction form
    2,128,691.52/2,940,038.24 = 1,550,490.88/x
  3. Step 3: Cross multiply
    2,128,691.52x = 2,940,038.24 × 1,550,490.88
  4. Step 4: Simplify right side
    2,128,691.52x = 4,558,502,477,971.25
  5. Step 5: Solve for x
    x = 4,558,502,477,971.25/2,128,691.52
  6. Step 6: Final answer
    x = 2,141,457.53

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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.