Home / 3,880,409.04-5,355,129.96-2,161,530.32

Finding the Fourth Proportional to 3,880,409.04, 5,355,129.96 and 2,161,530.32

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Solution

The fourth proportional to 3,880,409.04, 5,355,129.96 and 2,161,530.32 is: 2,983,004.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,409.04 : 5,355,129.96 = 2,161,530.32 : x
  2. Step 2: Convert to fraction form
    3,880,409.04/5,355,129.96 = 2,161,530.32/x
  3. Step 3: Cross multiply
    3,880,409.04x = 5,355,129.96 × 2,161,530.32
  4. Step 4: Simplify right side
    3,880,409.04x = 11,575,275,749,304.74
  5. Step 5: Solve for x
    x = 11,575,275,749,304.74/3,880,409.04
  6. Step 6: Final answer
    x = 2,983,004.02

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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.