Home / 3,990,592.08-5,507,017.05-2,155,050.26

Finding the Fourth Proportional to 3,990,592.08, 5,507,017.05 and 2,155,050.26

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Solution

The fourth proportional to 3,990,592.08, 5,507,017.05 and 2,155,050.26 is: 2,973,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,592.08 : 5,507,017.05 = 2,155,050.26 : x
  2. Step 2: Convert to fraction form
    3,990,592.08/5,507,017.05 = 2,155,050.26/x
  3. Step 3: Cross multiply
    3,990,592.08x = 5,507,017.05 × 2,155,050.26
  4. Step 4: Simplify right side
    3,990,592.08x = 11,867,898,525,426.93
  5. Step 5: Solve for x
    x = 11,867,898,525,426.93/3,990,592.08
  6. Step 6: Final answer
    x = 2,973,969.35

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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.