Home / 2,907,555.45-4,012,426.63-1,618,368.22

Finding the Fourth Proportional to 2,907,555.45, 4,012,426.63 and 1,618,368.22

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Solution

The fourth proportional to 2,907,555.45, 4,012,426.63 and 1,618,368.22 is: 2,233,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,555.45 : 4,012,426.63 = 1,618,368.22 : x
  2. Step 2: Convert to fraction form
    2,907,555.45/4,012,426.63 = 1,618,368.22/x
  3. Step 3: Cross multiply
    2,907,555.45x = 4,012,426.63 × 1,618,368.22
  4. Step 4: Simplify right side
    2,907,555.45x = 6,493,583,743,073.70
  5. Step 5: Solve for x
    x = 6,493,583,743,073.70/2,907,555.45
  6. Step 6: Final answer
    x = 2,233,348.20

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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.