Home / 3,420,071.87-5,127,210.36-1,499,527.58

Finding the Fourth Proportional to 3,420,071.87, 5,127,210.36 and 1,499,527.58

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Solution

The fourth proportional to 3,420,071.87, 5,127,210.36 and 1,499,527.58 is: 2,248,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,071.87 : 5,127,210.36 = 1,499,527.58 : x
  2. Step 2: Convert to fraction form
    3,420,071.87/5,127,210.36 = 1,499,527.58/x
  3. Step 3: Cross multiply
    3,420,071.87x = 5,127,210.36 × 1,499,527.58
  4. Step 4: Simplify right side
    3,420,071.87x = 7,688,393,317,645.68
  5. Step 5: Solve for x
    x = 7,688,393,317,645.68/3,420,071.87
  6. Step 6: Final answer
    x = 2,248,020.98

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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.