Home / 3,643,405.80-5,465,108.70-2,556,904.20

Finding the Fourth Proportional to 3,643,405.80, 5,465,108.70 and 2,556,904.20

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Solution

The fourth proportional to 3,643,405.80, 5,465,108.70 and 2,556,904.20 is: 3,835,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,405.80 : 5,465,108.70 = 2,556,904.20 : x
  2. Step 2: Convert to fraction form
    3,643,405.80/5,465,108.70 = 2,556,904.20/x
  3. Step 3: Cross multiply
    3,643,405.80x = 5,465,108.70 × 2,556,904.20
  4. Step 4: Simplify right side
    3,643,405.80x = 13,973,759,388,486.54
  5. Step 5: Solve for x
    x = 13,973,759,388,486.54/3,643,405.80
  6. Step 6: Final answer
    x = 3,835,356.30

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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.