Home / 1,902,554.30-2,625,632.19-1,128,643.34

Finding the Fourth Proportional to 1,902,554.30, 2,625,632.19 and 1,128,643.34

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Solution

The fourth proportional to 1,902,554.30, 2,625,632.19 and 1,128,643.34 is: 1,557,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,554.30 : 2,625,632.19 = 1,128,643.34 : x
  2. Step 2: Convert to fraction form
    1,902,554.30/2,625,632.19 = 1,128,643.34/x
  3. Step 3: Cross multiply
    1,902,554.30x = 2,625,632.19 × 1,128,643.34
  4. Step 4: Simplify right side
    1,902,554.30x = 2,963,402,271,404.95
  5. Step 5: Solve for x
    x = 2,963,402,271,404.95/1,902,554.30
  6. Step 6: Final answer
    x = 1,557,591.43

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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.