Home / 1,510,185.68-2,262,621.20-1,420,283.60

Finding the Fourth Proportional to 1,510,185.68, 2,262,621.20 and 1,420,283.60

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Solution

The fourth proportional to 1,510,185.68, 2,262,621.20 and 1,420,283.60 is: 2,127,926.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,185.68 : 2,262,621.20 = 1,420,283.60 : x
  2. Step 2: Convert to fraction form
    1,510,185.68/2,262,621.20 = 1,420,283.60/x
  3. Step 3: Cross multiply
    1,510,185.68x = 2,262,621.20 × 1,420,283.60
  4. Step 4: Simplify right side
    1,510,185.68x = 3,213,563,783,372.32
  5. Step 5: Solve for x
    x = 3,213,563,783,372.32/1,510,185.68
  6. Step 6: Final answer
    x = 2,127,926.27

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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.