Home / 2,281,869-3,148,859.48-1,249,178.81

Finding the Fourth Proportional to 2,281,869, 3,148,859.48 and 1,249,178.81

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Solution

The fourth proportional to 2,281,869, 3,148,859.48 and 1,249,178.81 is: 1,723,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,869 : 3,148,859.48 = 1,249,178.81 : x
  2. Step 2: Convert to fraction form
    2,281,869/3,148,859.48 = 1,249,178.81/x
  3. Step 3: Cross multiply
    2,281,869x = 3,148,859.48 × 1,249,178.81
  4. Step 4: Simplify right side
    2,281,869x = 3,933,488,516,093.43
  5. Step 5: Solve for x
    x = 3,933,488,516,093.43/2,281,869
  6. Step 6: Final answer
    x = 1,723,801.20

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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.