Home / 3,836,038.70-5,293,707.32-2,117,159.16

Finding the Fourth Proportional to 3,836,038.70, 5,293,707.32 and 2,117,159.16

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Solution

The fourth proportional to 3,836,038.70, 5,293,707.32 and 2,117,159.16 is: 2,921,665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,038.70 : 5,293,707.32 = 2,117,159.16 : x
  2. Step 2: Convert to fraction form
    3,836,038.70/5,293,707.32 = 2,117,159.16/x
  3. Step 3: Cross multiply
    3,836,038.70x = 5,293,707.32 × 2,117,159.16
  4. Step 4: Simplify right side
    3,836,038.70x = 11,207,620,932,311.26
  5. Step 5: Solve for x
    x = 11,207,620,932,311.26/3,836,038.70
  6. Step 6: Final answer
    x = 2,921,665.24

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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.