Home / 1,838,857.52-2,536,008.04-1,287,290.64

Finding the Fourth Proportional to 1,838,857.52, 2,536,008.04 and 1,287,290.64

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Solution

The fourth proportional to 1,838,857.52, 2,536,008.04 and 1,287,290.64 is: 1,775,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,857.52 : 2,536,008.04 = 1,287,290.64 : x
  2. Step 2: Convert to fraction form
    1,838,857.52/2,536,008.04 = 1,287,290.64/x
  3. Step 3: Cross multiply
    1,838,857.52x = 2,536,008.04 × 1,287,290.64
  4. Step 4: Simplify right side
    1,838,857.52x = 3,264,579,412,856.75
  5. Step 5: Solve for x
    x = 3,264,579,412,856.75/1,838,857.52
  6. Step 6: Final answer
    x = 1,775,330.27

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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.