Home / 3,615,407.42-4,989,260.31-1,983,825.50

Finding the Fourth Proportional to 3,615,407.42, 4,989,260.31 and 1,983,825.50

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Solution

The fourth proportional to 3,615,407.42, 4,989,260.31 and 1,983,825.50 is: 2,737,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,407.42 : 4,989,260.31 = 1,983,825.50 : x
  2. Step 2: Convert to fraction form
    3,615,407.42/4,989,260.31 = 1,983,825.50/x
  3. Step 3: Cross multiply
    3,615,407.42x = 4,989,260.31 × 1,983,825.50
  4. Step 4: Simplify right side
    3,615,407.42x = 9,897,821,829,115.90
  5. Step 5: Solve for x
    x = 9,897,821,829,115.90/3,615,407.42
  6. Step 6: Final answer
    x = 2,737,678.13

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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.