Home / 2,157,912-2,977,918.56-1,204,056

Finding the Fourth Proportional to 2,157,912, 2,977,918.56 and 1,204,056

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Solution

The fourth proportional to 2,157,912, 2,977,918.56 and 1,204,056 is: 1,661,597.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,912 : 2,977,918.56 = 1,204,056 : x
  2. Step 2: Convert to fraction form
    2,157,912/2,977,918.56 = 1,204,056/x
  3. Step 3: Cross multiply
    2,157,912x = 2,977,918.56 × 1,204,056
  4. Step 4: Simplify right side
    2,157,912x = 3,585,580,709,679.36
  5. Step 5: Solve for x
    x = 3,585,580,709,679.36/2,157,912
  6. Step 6: Final answer
    x = 1,661,597.28

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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.