Home / 3,789,577.64-5,229,018.78-2,157,070.16

Finding the Fourth Proportional to 3,789,577.64, 5,229,018.78 and 2,157,070.16

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Solution

The fourth proportional to 3,789,577.64, 5,229,018.78 and 2,157,070.16 is: 2,976,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789,577.64 : 5,229,018.78 = 2,157,070.16 : x
  2. Step 2: Convert to fraction form
    3,789,577.64/5,229,018.78 = 2,157,070.16/x
  3. Step 3: Cross multiply
    3,789,577.64x = 5,229,018.78 × 2,157,070.16
  4. Step 4: Simplify right side
    3,789,577.64x = 11,279,360,376,417.61
  5. Step 5: Solve for x
    x = 11,279,360,376,417.61/3,789,577.64
  6. Step 6: Final answer
    x = 2,976,416.23

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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.