Home / 2,999,077.57-4,138,717.92-1,622,420.86

Finding the Fourth Proportional to 2,999,077.57, 4,138,717.92 and 1,622,420.86

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Solution

The fourth proportional to 2,999,077.57, 4,138,717.92 and 1,622,420.86 is: 2,238,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,077.57 : 4,138,717.92 = 1,622,420.86 : x
  2. Step 2: Convert to fraction form
    2,999,077.57/4,138,717.92 = 1,622,420.86/x
  3. Step 3: Cross multiply
    2,999,077.57x = 4,138,717.92 × 1,622,420.86
  4. Step 4: Simplify right side
    2,999,077.57x = 6,714,742,287,063.81
  5. Step 5: Solve for x
    x = 6,714,742,287,063.81/2,999,077.57
  6. Step 6: Final answer
    x = 2,238,935.85

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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.