Home / 1,821,353.60-2,729,697.60-1,398,533.60

Finding the Fourth Proportional to 1,821,353.60, 2,729,697.60 and 1,398,533.60

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Solution

The fourth proportional to 1,821,353.60, 2,729,697.60 and 1,398,533.60 is: 2,096,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,353.60 : 2,729,697.60 = 1,398,533.60 : x
  2. Step 2: Convert to fraction form
    1,821,353.60/2,729,697.60 = 1,398,533.60/x
  3. Step 3: Cross multiply
    1,821,353.60x = 2,729,697.60 × 1,398,533.60
  4. Step 4: Simplify right side
    1,821,353.60x = 3,817,573,811,439.36
  5. Step 5: Solve for x
    x = 3,817,573,811,439.36/1,821,353.60
  6. Step 6: Final answer
    x = 2,096,009.15

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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.