Home / 2,157,772.06-2,977,710.78-1,190,902.33

Finding the Fourth Proportional to 2,157,772.06, 2,977,710.78 and 1,190,902.33

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Solution

The fourth proportional to 2,157,772.06, 2,977,710.78 and 1,190,902.33 is: 1,643,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,772.06 : 2,977,710.78 = 1,190,902.33 : x
  2. Step 2: Convert to fraction form
    2,157,772.06/2,977,710.78 = 1,190,902.33/x
  3. Step 3: Cross multiply
    2,157,772.06x = 2,977,710.78 × 1,190,902.33
  4. Step 4: Simplify right side
    2,157,772.06x = 3,546,162,685,125.05
  5. Step 5: Solve for x
    x = 3,546,162,685,125.05/2,157,772.06
  6. Step 6: Final answer
    x = 1,643,437.12

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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.