Home / 2,105,106.30-3,157,659.45-757,476.90

Finding the Fourth Proportional to 2,105,106.30, 3,157,659.45 and 757,476.90

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Solution

The fourth proportional to 2,105,106.30, 3,157,659.45 and 757,476.90 is: 1,136,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,106.30 : 3,157,659.45 = 757,476.90 : x
  2. Step 2: Convert to fraction form
    2,105,106.30/3,157,659.45 = 757,476.90/x
  3. Step 3: Cross multiply
    2,105,106.30x = 3,157,659.45 × 757,476.90
  4. Step 4: Simplify right side
    2,105,106.30x = 2,391,854,091,441.71
  5. Step 5: Solve for x
    x = 2,391,854,091,441.71/2,105,106.30
  6. Step 6: Final answer
    x = 1,136,215.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.