Home / 1,887,017.98-2,604,059.04-1,071,214.54

Finding the Fourth Proportional to 1,887,017.98, 2,604,059.04 and 1,071,214.54

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Solution

The fourth proportional to 1,887,017.98, 2,604,059.04 and 1,071,214.54 is: 1,478,261.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,017.98 : 2,604,059.04 = 1,071,214.54 : x
  2. Step 2: Convert to fraction form
    1,887,017.98/2,604,059.04 = 1,071,214.54/x
  3. Step 3: Cross multiply
    1,887,017.98x = 2,604,059.04 × 1,071,214.54
  4. Step 4: Simplify right side
    1,887,017.98x = 2,789,505,906,666.44
  5. Step 5: Solve for x
    x = 2,789,505,906,666.44/1,887,017.98
  6. Step 6: Final answer
    x = 1,478,261.43

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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.