Home / 2,115,955.20-3,169,267.20-1,836,019.20

Finding the Fourth Proportional to 2,115,955.20, 3,169,267.20 and 1,836,019.20

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Solution

The fourth proportional to 2,115,955.20, 3,169,267.20 and 1,836,019.20 is: 2,749,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,955.20 : 3,169,267.20 = 1,836,019.20 : x
  2. Step 2: Convert to fraction form
    2,115,955.20/3,169,267.20 = 1,836,019.20/x
  3. Step 3: Cross multiply
    2,115,955.20x = 3,169,267.20 × 1,836,019.20
  4. Step 4: Simplify right side
    2,115,955.20x = 5,818,835,429,130.24
  5. Step 5: Solve for x
    x = 5,818,835,429,130.24/2,115,955.20
  6. Step 6: Final answer
    x = 2,749,980.45

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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.