Home / 1,930,785.72-2,664,502.66-1,071,425.94

Finding the Fourth Proportional to 1,930,785.72, 2,664,502.66 and 1,071,425.94

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Solution

The fourth proportional to 1,930,785.72, 2,664,502.66 and 1,071,425.94 is: 1,478,577.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,785.72 : 2,664,502.66 = 1,071,425.94 : x
  2. Step 2: Convert to fraction form
    1,930,785.72/2,664,502.66 = 1,071,425.94/x
  3. Step 3: Cross multiply
    1,930,785.72x = 2,664,502.66 × 1,071,425.94
  4. Step 4: Simplify right side
    1,930,785.72x = 2,854,817,267,123.00
  5. Step 5: Solve for x
    x = 2,854,817,267,123.00/1,930,785.72
  6. Step 6: Final answer
    x = 1,478,577.99

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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.