Home / 2,831,347.60-4,247,021.40-1,769,664.40

Finding the Fourth Proportional to 2,831,347.60, 4,247,021.40 and 1,769,664.40

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Solution

The fourth proportional to 2,831,347.60, 4,247,021.40 and 1,769,664.40 is: 2,654,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,347.60 : 4,247,021.40 = 1,769,664.40 : x
  2. Step 2: Convert to fraction form
    2,831,347.60/4,247,021.40 = 1,769,664.40/x
  3. Step 3: Cross multiply
    2,831,347.60x = 4,247,021.40 × 1,769,664.40
  4. Step 4: Simplify right side
    2,831,347.60x = 7,515,802,577,618.16
  5. Step 5: Solve for x
    x = 7,515,802,577,618.16/2,831,347.60
  6. Step 6: Final answer
    x = 2,654,496.60

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1.5x scale

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.