Home / 2,119,311.92-2,924,561.52-1,201,602.80

Finding the Fourth Proportional to 2,119,311.92, 2,924,561.52 and 1,201,602.80

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Solution

The fourth proportional to 2,119,311.92, 2,924,561.52 and 1,201,602.80 is: 1,658,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,311.92 : 2,924,561.52 = 1,201,602.80 : x
  2. Step 2: Convert to fraction form
    2,119,311.92/2,924,561.52 = 1,201,602.80/x
  3. Step 3: Cross multiply
    2,119,311.92x = 2,924,561.52 × 1,201,602.80
  4. Step 4: Simplify right side
    2,119,311.92x = 3,514,161,311,204.26
  5. Step 5: Solve for x
    x = 3,514,161,311,204.26/2,119,311.92
  6. Step 6: Final answer
    x = 1,658,161.44

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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.