Home / 2,403,920.16-3,317,283.54-1,315,983.24

Finding the Fourth Proportional to 2,403,920.16, 3,317,283.54 and 1,315,983.24

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Solution

The fourth proportional to 2,403,920.16, 3,317,283.54 and 1,315,983.24 is: 1,815,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403,920.16 : 3,317,283.54 = 1,315,983.24 : x
  2. Step 2: Convert to fraction form
    2,403,920.16/3,317,283.54 = 1,315,983.24/x
  3. Step 3: Cross multiply
    2,403,920.16x = 3,317,283.54 × 1,315,983.24
  4. Step 4: Simplify right side
    2,403,920.16x = 4,365,489,540,967.87
  5. Step 5: Solve for x
    x = 4,365,489,540,967.87/2,403,920.16
  6. Step 6: Final answer
    x = 1,815,987.74

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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.