Home / 3,421,254.67-4,721,479.64-1,893,362.29

Finding the Fourth Proportional to 3,421,254.67, 4,721,479.64 and 1,893,362.29

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Solution

The fourth proportional to 3,421,254.67, 4,721,479.64 and 1,893,362.29 is: 2,612,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,254.67 : 4,721,479.64 = 1,893,362.29 : x
  2. Step 2: Convert to fraction form
    3,421,254.67/4,721,479.64 = 1,893,362.29/x
  3. Step 3: Cross multiply
    3,421,254.67x = 4,721,479.64 × 1,893,362.29
  4. Step 4: Simplify right side
    3,421,254.67x = 8,939,471,493,911.97
  5. Step 5: Solve for x
    x = 8,939,471,493,911.97/3,421,254.67
  6. Step 6: Final answer
    x = 2,612,921.97

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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.