Home / 2,173,508.48-3,256,021.56-1,423,280

Finding the Fourth Proportional to 2,173,508.48, 3,256,021.56 and 1,423,280

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Solution

The fourth proportional to 2,173,508.48, 3,256,021.56 and 1,423,280 is: 2,132,142.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,508.48 : 3,256,021.56 = 1,423,280 : x
  2. Step 2: Convert to fraction form
    2,173,508.48/3,256,021.56 = 1,423,280/x
  3. Step 3: Cross multiply
    2,173,508.48x = 3,256,021.56 × 1,423,280
  4. Step 4: Simplify right side
    2,173,508.48x = 4,634,230,365,916.80
  5. Step 5: Solve for x
    x = 4,634,230,365,916.80/2,173,508.48
  6. Step 6: Final answer
    x = 2,132,142.76

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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.