Home / 3,412,968.41-5,117,472.01-1,615,836.70

Finding the Fourth Proportional to 3,412,968.41, 5,117,472.01 and 1,615,836.70

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Solution

The fourth proportional to 3,412,968.41, 5,117,472.01 and 1,615,836.70 is: 2,422,817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412,968.41 : 5,117,472.01 = 1,615,836.70 : x
  2. Step 2: Convert to fraction form
    3,412,968.41/5,117,472.01 = 1,615,836.70/x
  3. Step 3: Cross multiply
    3,412,968.41x = 5,117,472.01 × 1,615,836.70
  4. Step 4: Simplify right side
    3,412,968.41x = 8,268,999,084,980.77
  5. Step 5: Solve for x
    x = 8,268,999,084,980.77/3,412,968.41
  6. Step 6: Final answer
    x = 2,422,817.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.