Home / 5,756,657.40-8,640,515.70-2,919,972.60

Finding the Fourth Proportional to 5,756,657.40, 8,640,515.70 and 2,919,972.60

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Solution

The fourth proportional to 5,756,657.40, 8,640,515.70 and 2,919,972.60 is: 4,382,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,756,657.40 : 8,640,515.70 = 2,919,972.60 : x
  2. Step 2: Convert to fraction form
    5,756,657.40/8,640,515.70 = 2,919,972.60/x
  3. Step 3: Cross multiply
    5,756,657.40x = 8,640,515.70 × 2,919,972.60
  4. Step 4: Simplify right side
    5,756,657.40x = 25,230,069,093,869.82
  5. Step 5: Solve for x
    x = 25,230,069,093,869.82/5,756,657.40
  6. Step 6: Final answer
    x = 4,382,763.70

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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.