Home / 3,462,436.56-4,778,409.80-1,913,664.90

Finding the Fourth Proportional to 3,462,436.56, 4,778,409.80 and 1,913,664.90

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Solution

The fourth proportional to 3,462,436.56, 4,778,409.80 and 1,913,664.90 is: 2,640,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462,436.56 : 4,778,409.80 = 1,913,664.90 : x
  2. Step 2: Convert to fraction form
    3,462,436.56/4,778,409.80 = 1,913,664.90/x
  3. Step 3: Cross multiply
    3,462,436.56x = 4,778,409.80 × 1,913,664.90
  4. Step 4: Simplify right side
    3,462,436.56x = 9,144,275,112,076.02
  5. Step 5: Solve for x
    x = 9,144,275,112,076.02/3,462,436.56
  6. Step 6: Final answer
    x = 2,640,994.27

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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.