Home / 2,185,503.80-3,281,208.15-1,388,342.30

Finding the Fourth Proportional to 2,185,503.80, 3,281,208.15 and 1,388,342.30

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Solution

The fourth proportional to 2,185,503.80, 3,281,208.15 and 1,388,342.30 is: 2,084,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,503.80 : 3,281,208.15 = 1,388,342.30 : x
  2. Step 2: Convert to fraction form
    2,185,503.80/3,281,208.15 = 1,388,342.30/x
  3. Step 3: Cross multiply
    2,185,503.80x = 3,281,208.15 × 1,388,342.30
  4. Step 4: Simplify right side
    2,185,503.80x = 4,555,440,069,749.75
  5. Step 5: Solve for x
    x = 4,555,440,069,749.75/2,185,503.80
  6. Step 6: Final answer
    x = 2,084,389.00

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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.