Home / 1,872,912.60-2,810,681.10-1,200,628.80

Finding the Fourth Proportional to 1,872,912.60, 2,810,681.10 and 1,200,628.80

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Solution

The fourth proportional to 1,872,912.60, 2,810,681.10 and 1,200,628.80 is: 1,801,784.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,912.60 : 2,810,681.10 = 1,200,628.80 : x
  2. Step 2: Convert to fraction form
    1,872,912.60/2,810,681.10 = 1,200,628.80/x
  3. Step 3: Cross multiply
    1,872,912.60x = 2,810,681.10 × 1,200,628.80
  4. Step 4: Simplify right side
    1,872,912.60x = 3,374,584,676,275.68
  5. Step 5: Solve for x
    x = 3,374,584,676,275.68/1,872,912.60
  6. Step 6: Final answer
    x = 1,801,784.38

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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.