Home / 1,970,794.20-2,956,628.70-905,579.40

Finding the Fourth Proportional to 1,970,794.20, 2,956,628.70 and 905,579.40

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Solution

The fourth proportional to 1,970,794.20, 2,956,628.70 and 905,579.40 is: 1,358,570.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,794.20 : 2,956,628.70 = 905,579.40 : x
  2. Step 2: Convert to fraction form
    1,970,794.20/2,956,628.70 = 905,579.40/x
  3. Step 3: Cross multiply
    1,970,794.20x = 2,956,628.70 × 905,579.40
  4. Step 4: Simplify right side
    1,970,794.20x = 2,677,462,044,168.78
  5. Step 5: Solve for x
    x = 2,677,462,044,168.78/1,970,794.20
  6. Step 6: Final answer
    x = 1,358,570.09

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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.