Home / 1,684,130.40-2,532,416.40-1,410,415.20

Finding the Fourth Proportional to 1,684,130.40, 2,532,416.40 and 1,410,415.20

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Solution

The fourth proportional to 1,684,130.40, 2,532,416.40 and 1,410,415.20 is: 2,120,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,130.40 : 2,532,416.40 = 1,410,415.20 : x
  2. Step 2: Convert to fraction form
    1,684,130.40/2,532,416.40 = 1,410,415.20/x
  3. Step 3: Cross multiply
    1,684,130.40x = 2,532,416.40 × 1,410,415.20
  4. Step 4: Simplify right side
    1,684,130.40x = 3,571,758,583,289.28
  5. Step 5: Solve for x
    x = 3,571,758,583,289.28/1,684,130.40
  6. Step 6: Final answer
    x = 2,120,832.56

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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.