Home / 2,819,126.40-3,890,397.12-1,529,967.04

Finding the Fourth Proportional to 2,819,126.40, 3,890,397.12 and 1,529,967.04

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Solution

The fourth proportional to 2,819,126.40, 3,890,397.12 and 1,529,967.04 is: 2,111,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,126.40 : 3,890,397.12 = 1,529,967.04 : x
  2. Step 2: Convert to fraction form
    2,819,126.40/3,890,397.12 = 1,529,967.04/x
  3. Step 3: Cross multiply
    2,819,126.40x = 3,890,397.12 × 1,529,967.04
  4. Step 4: Simplify right side
    2,819,126.40x = 5,952,179,366,110.93
  5. Step 5: Solve for x
    x = 5,952,179,366,110.93/2,819,126.40
  6. Step 6: Final answer
    x = 2,111,355.97

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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.