Home / 1,831,340.64-2,526,942.09-1,220,405.46

Finding the Fourth Proportional to 1,831,340.64, 2,526,942.09 and 1,220,405.46

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Solution

The fourth proportional to 1,831,340.64, 2,526,942.09 and 1,220,405.46 is: 1,683,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831,340.64 : 2,526,942.09 = 1,220,405.46 : x
  2. Step 2: Convert to fraction form
    1,831,340.64/2,526,942.09 = 1,220,405.46/x
  3. Step 3: Cross multiply
    1,831,340.64x = 2,526,942.09 × 1,220,405.46
  4. Step 4: Simplify right side
    1,831,340.64x = 3,083,893,923,739.81
  5. Step 5: Solve for x
    x = 3,083,893,923,739.81/1,831,340.64
  6. Step 6: Final answer
    x = 1,683,954.29

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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.