Home / 3,222,412.72-4,447,043.67-1,772,220.40

Finding the Fourth Proportional to 3,222,412.72, 4,447,043.67 and 1,772,220.40

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Solution

The fourth proportional to 3,222,412.72, 4,447,043.67 and 1,772,220.40 is: 2,445,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222,412.72 : 4,447,043.67 = 1,772,220.40 : x
  2. Step 2: Convert to fraction form
    3,222,412.72/4,447,043.67 = 1,772,220.40/x
  3. Step 3: Cross multiply
    3,222,412.72x = 4,447,043.67 × 1,772,220.40
  4. Step 4: Simplify right side
    3,222,412.72x = 7,881,141,511,664.87
  5. Step 5: Solve for x
    x = 7,881,141,511,664.87/3,222,412.72
  6. Step 6: Final answer
    x = 2,445,726.91

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1.5x scale

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.