Home / 2,809,621.51-3,877,287.39-1,520,461.57

Finding the Fourth Proportional to 2,809,621.51, 3,877,287.39 and 1,520,461.57

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Solution

The fourth proportional to 2,809,621.51, 3,877,287.39 and 1,520,461.57 is: 2,098,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,621.51 : 3,877,287.39 = 1,520,461.57 : x
  2. Step 2: Convert to fraction form
    2,809,621.51/3,877,287.39 = 1,520,461.57/x
  3. Step 3: Cross multiply
    2,809,621.51x = 3,877,287.39 × 1,520,461.57
  4. Step 4: Simplify right side
    2,809,621.51x = 5,895,266,472,340.60
  5. Step 5: Solve for x
    x = 5,895,266,472,340.60/2,809,621.51
  6. Step 6: Final answer
    x = 2,098,242.22

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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.