Home / 2,281,104.80-3,148,023.88-1,262,509.28

Finding the Fourth Proportional to 2,281,104.80, 3,148,023.88 and 1,262,509.28

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Solution

The fourth proportional to 2,281,104.80, 3,148,023.88 and 1,262,509.28 is: 1,742,317.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,104.80 : 3,148,023.88 = 1,262,509.28 : x
  2. Step 2: Convert to fraction form
    2,281,104.80/3,148,023.88 = 1,262,509.28/x
  3. Step 3: Cross multiply
    2,281,104.80x = 3,148,023.88 × 1,262,509.28
  4. Step 4: Simplify right side
    2,281,104.80x = 3,974,409,362,161.61
  5. Step 5: Solve for x
    x = 3,974,409,362,161.61/2,281,104.80
  6. Step 6: Final answer
    x = 1,742,317.74

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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.