Home / 2,180,212.03-3,008,663.21-1,213,342.07

Finding the Fourth Proportional to 2,180,212.03, 3,008,663.21 and 1,213,342.07

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Solution

The fourth proportional to 2,180,212.03, 3,008,663.21 and 1,213,342.07 is: 1,674,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,212.03 : 3,008,663.21 = 1,213,342.07 : x
  2. Step 2: Convert to fraction form
    2,180,212.03/3,008,663.21 = 1,213,342.07/x
  3. Step 3: Cross multiply
    2,180,212.03x = 3,008,663.21 × 1,213,342.07
  4. Step 4: Simplify right side
    2,180,212.03x = 3,650,537,635,144.28
  5. Step 5: Solve for x
    x = 3,650,537,635,144.28/2,180,212.03
  6. Step 6: Final answer
    x = 1,674,395.69

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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.