Home / 1,571,967.70-2,358,535.40-1,091,942.57

Finding the Fourth Proportional to 1,571,967.70, 2,358,535.40 and 1,091,942.57

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Solution

The fourth proportional to 1,571,967.70, 2,358,535.40 and 1,091,942.57 is: 1,638,319.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,967.70 : 2,358,535.40 = 1,091,942.57 : x
  2. Step 2: Convert to fraction form
    1,571,967.70/2,358,535.40 = 1,091,942.57/x
  3. Step 3: Cross multiply
    1,571,967.70x = 2,358,535.40 × 1,091,942.57
  4. Step 4: Simplify right side
    1,571,967.70x = 2,575,385,217,349.92
  5. Step 5: Solve for x
    x = 2,575,385,217,349.92/1,571,967.70
  6. Step 6: Final answer
    x = 1,638,319.43

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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.