Home / 2,530,905.52-3,492,649.72-1,384,985.92

Finding the Fourth Proportional to 2,530,905.52, 3,492,649.72 and 1,384,985.92

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Solution

The fourth proportional to 2,530,905.52, 3,492,649.72 and 1,384,985.92 is: 1,911,280.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530,905.52 : 3,492,649.72 = 1,384,985.92 : x
  2. Step 2: Convert to fraction form
    2,530,905.52/3,492,649.72 = 1,384,985.92/x
  3. Step 3: Cross multiply
    2,530,905.52x = 3,492,649.72 × 1,384,985.92
  4. Step 4: Simplify right side
    2,530,905.52x = 4,837,270,685,691.94
  5. Step 5: Solve for x
    x = 4,837,270,685,691.94/2,530,905.52
  6. Step 6: Final answer
    x = 1,911,280.63

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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.