Home / 3,161,773.36-4,358,911.04-1,999,640.40

Finding the Fourth Proportional to 3,161,773.36, 4,358,911.04 and 1,999,640.40

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Solution

The fourth proportional to 3,161,773.36, 4,358,911.04 and 1,999,640.40 is: 2,756,761.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,773.36 : 4,358,911.04 = 1,999,640.40 : x
  2. Step 2: Convert to fraction form
    3,161,773.36/4,358,911.04 = 1,999,640.40/x
  3. Step 3: Cross multiply
    3,161,773.36x = 4,358,911.04 × 1,999,640.40
  4. Step 4: Simplify right side
    3,161,773.36x = 8,716,254,615,590.02
  5. Step 5: Solve for x
    x = 8,716,254,615,590.02/3,161,773.36
  6. Step 6: Final answer
    x = 2,756,761.36

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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.