Home / 1,964,965.34-2,947,447.76-545,021.42

Finding the Fourth Proportional to 1,964,965.34, 2,947,447.76 and 545,021.42

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Solution

The fourth proportional to 1,964,965.34, 2,947,447.76 and 545,021.42 is: 817,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,965.34 : 2,947,447.76 = 545,021.42 : x
  2. Step 2: Convert to fraction form
    1,964,965.34/2,947,447.76 = 545,021.42/x
  3. Step 3: Cross multiply
    1,964,965.34x = 2,947,447.76 × 545,021.42
  4. Step 4: Simplify right side
    1,964,965.34x = 1,606,422,146,068.67
  5. Step 5: Solve for x
    x = 1,606,422,146,068.67/1,964,965.34
  6. Step 6: Final answer
    x = 817,532.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.