Home / 1,971,357.44-2,956,590-905,374.72

Finding the Fourth Proportional to 1,971,357.44, 2,956,590 and 905,374.72

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Solution

The fourth proportional to 1,971,357.44, 2,956,590 and 905,374.72 is: 1,357,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,357.44 : 2,956,590 = 905,374.72 : x
  2. Step 2: Convert to fraction form
    1,971,357.44/2,956,590 = 905,374.72/x
  3. Step 3: Cross multiply
    1,971,357.44x = 2,956,590 × 905,374.72
  4. Step 4: Simplify right side
    1,971,357.44x = 2,676,821,843,404.80
  5. Step 5: Solve for x
    x = 2,676,821,843,404.80/1,971,357.44
  6. Step 6: Final answer
    x = 1,357,857.17

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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.