Home / 2,140,684.11-3,210,534.63-1,276,363.49

Finding the Fourth Proportional to 2,140,684.11, 3,210,534.63 and 1,276,363.49

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Solution

The fourth proportional to 2,140,684.11, 3,210,534.63 and 1,276,363.49 is: 1,914,252.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,684.11 : 3,210,534.63 = 1,276,363.49 : x
  2. Step 2: Convert to fraction form
    2,140,684.11/3,210,534.63 = 1,276,363.49/x
  3. Step 3: Cross multiply
    2,140,684.11x = 3,210,534.63 × 1,276,363.49
  4. Step 4: Simplify right side
    2,140,684.11x = 4,097,809,169,059.99
  5. Step 5: Solve for x
    x = 4,097,809,169,059.99/2,140,684.11
  6. Step 6: Final answer
    x = 1,914,252.15

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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.