Home / 3,774,688.91-5,209,539.63-2,143,620.20

Finding the Fourth Proportional to 3,774,688.91, 5,209,539.63 and 2,143,620.20

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Solution

The fourth proportional to 3,774,688.91, 5,209,539.63 and 2,143,620.20 is: 2,958,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774,688.91 : 5,209,539.63 = 2,143,620.20 : x
  2. Step 2: Convert to fraction form
    3,774,688.91/5,209,539.63 = 2,143,620.20/x
  3. Step 3: Cross multiply
    3,774,688.91x = 5,209,539.63 × 2,143,620.20
  4. Step 4: Simplify right side
    3,774,688.91x = 11,167,274,357,520.83
  5. Step 5: Solve for x
    x = 11,167,274,357,520.83/3,774,688.91
  6. Step 6: Final answer
    x = 2,958,462.18

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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.