Home / 2,862,495.70-4,293,904.38-917,393.54

Finding the Fourth Proportional to 2,862,495.70, 4,293,904.38 and 917,393.54

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Solution

The fourth proportional to 2,862,495.70, 4,293,904.38 and 917,393.54 is: 1,376,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862,495.70 : 4,293,904.38 = 917,393.54 : x
  2. Step 2: Convert to fraction form
    2,862,495.70/4,293,904.38 = 917,393.54/x
  3. Step 3: Cross multiply
    2,862,495.70x = 4,293,904.38 × 917,393.54
  4. Step 4: Simplify right side
    2,862,495.70x = 3,939,200,139,589.71
  5. Step 5: Solve for x
    x = 3,939,200,139,589.71/2,862,495.70
  6. Step 6: Final answer
    x = 1,376,141.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.