Home / 2,196,877.50-3,031,737.03-1,243,021.50

Finding the Fourth Proportional to 2,196,877.50, 3,031,737.03 and 1,243,021.50

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Solution

The fourth proportional to 2,196,877.50, 3,031,737.03 and 1,243,021.50 is: 1,715,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196,877.50 : 3,031,737.03 = 1,243,021.50 : x
  2. Step 2: Convert to fraction form
    2,196,877.50/3,031,737.03 = 1,243,021.50/x
  3. Step 3: Cross multiply
    2,196,877.50x = 3,031,737.03 × 1,243,021.50
  4. Step 4: Simplify right side
    2,196,877.50x = 3,768,514,310,636.14
  5. Step 5: Solve for x
    x = 3,768,514,310,636.14/2,196,877.50
  6. Step 6: Final answer
    x = 1,715,395.74

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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.