Home / 2,157,704.49-2,975,949.81-1,383,409.29

Finding the Fourth Proportional to 2,157,704.49, 2,975,949.81 and 1,383,409.29

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Solution

The fourth proportional to 2,157,704.49, 2,975,949.81 and 1,383,409.29 is: 1,908,026.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,704.49 : 2,975,949.81 = 1,383,409.29 : x
  2. Step 2: Convert to fraction form
    2,157,704.49/2,975,949.81 = 1,383,409.29/x
  3. Step 3: Cross multiply
    2,157,704.49x = 2,975,949.81 × 1,383,409.29
  4. Step 4: Simplify right side
    2,157,704.49x = 4,116,956,613,727.74
  5. Step 5: Solve for x
    x = 4,116,956,613,727.74/2,157,704.49
  6. Step 6: Final answer
    x = 1,908,026.16

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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.