Home / 1,929,981.52-2,663,310.92-1,165,901.52

Finding the Fourth Proportional to 1,929,981.52, 2,663,310.92 and 1,165,901.52

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Solution

The fourth proportional to 1,929,981.52, 2,663,310.92 and 1,165,901.52 is: 1,608,905.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,981.52 : 2,663,310.92 = 1,165,901.52 : x
  2. Step 2: Convert to fraction form
    1,929,981.52/2,663,310.92 = 1,165,901.52/x
  3. Step 3: Cross multiply
    1,929,981.52x = 2,663,310.92 × 1,165,901.52
  4. Step 4: Simplify right side
    1,929,981.52x = 3,105,158,249,860.60
  5. Step 5: Solve for x
    x = 3,105,158,249,860.60/1,929,981.52
  6. Step 6: Final answer
    x = 1,608,905.69

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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.