Home / 1,918,233.60-2,878,905.60-1,856,025.60

Finding the Fourth Proportional to 1,918,233.60, 2,878,905.60 and 1,856,025.60

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Solution

The fourth proportional to 1,918,233.60, 2,878,905.60 and 1,856,025.60 is: 2,785,543.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,233.60 : 2,878,905.60 = 1,856,025.60 : x
  2. Step 2: Convert to fraction form
    1,918,233.60/2,878,905.60 = 1,856,025.60/x
  3. Step 3: Cross multiply
    1,918,233.60x = 2,878,905.60 × 1,856,025.60
  4. Step 4: Simplify right side
    1,918,233.60x = 5,343,322,493,583.36
  5. Step 5: Solve for x
    x = 5,343,322,493,583.36/1,918,233.60
  6. Step 6: Final answer
    x = 2,785,543.17

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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.