Home / 2,078,556.48-2,868,649.95-1,729,079.52

Finding the Fourth Proportional to 2,078,556.48, 2,868,649.95 and 1,729,079.52

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Solution

The fourth proportional to 2,078,556.48, 2,868,649.95 and 1,729,079.52 is: 2,386,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,556.48 : 2,868,649.95 = 1,729,079.52 : x
  2. Step 2: Convert to fraction form
    2,078,556.48/2,868,649.95 = 1,729,079.52/x
  3. Step 3: Cross multiply
    2,078,556.48x = 2,868,649.95 × 1,729,079.52
  4. Step 4: Simplify right side
    2,078,556.48x = 4,960,123,878,594.02
  5. Step 5: Solve for x
    x = 4,960,123,878,594.02/2,078,556.48
  6. Step 6: Final answer
    x = 2,386,331.06

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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.