Home / 2,508,821.61-3,462,062.90-1,421,071.31

Finding the Fourth Proportional to 2,508,821.61, 3,462,062.90 and 1,421,071.31

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Solution

The fourth proportional to 2,508,821.61, 3,462,062.90 and 1,421,071.31 is: 1,961,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508,821.61 : 3,462,062.90 = 1,421,071.31 : x
  2. Step 2: Convert to fraction form
    2,508,821.61/3,462,062.90 = 1,421,071.31/x
  3. Step 3: Cross multiply
    2,508,821.61x = 3,462,062.90 × 1,421,071.31
  4. Step 4: Simplify right side
    2,508,821.61x = 4,919,838,236,189.73
  5. Step 5: Solve for x
    x = 4,919,838,236,189.73/2,508,821.61
  6. Step 6: Final answer
    x = 1,961,015.57

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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.