Home / 3,462,435.96-4,778,409-1,913,664.32

Finding the Fourth Proportional to 3,462,435.96, 4,778,409 and 1,913,664.32

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Solution

The fourth proportional to 3,462,435.96, 4,778,409 and 1,913,664.32 is: 2,640,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462,435.96 : 4,778,409 = 1,913,664.32 : x
  2. Step 2: Convert to fraction form
    3,462,435.96/4,778,409 = 1,913,664.32/x
  3. Step 3: Cross multiply
    3,462,435.96x = 4,778,409 × 1,913,664.32
  4. Step 4: Simplify right side
    3,462,435.96x = 9,144,270,809,666.88
  5. Step 5: Solve for x
    x = 9,144,270,809,666.88/3,462,435.96
  6. Step 6: Final answer
    x = 2,640,993.48

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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.