Home / 2,689,319.60-4,028,449.80-1,848,820.40

Finding the Fourth Proportional to 2,689,319.60, 4,028,449.80 and 1,848,820.40

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Solution

The fourth proportional to 2,689,319.60, 4,028,449.80 and 1,848,820.40 is: 2,769,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,319.60 : 4,028,449.80 = 1,848,820.40 : x
  2. Step 2: Convert to fraction form
    2,689,319.60/4,028,449.80 = 1,848,820.40/x
  3. Step 3: Cross multiply
    2,689,319.60x = 4,028,449.80 × 1,848,820.40
  4. Step 4: Simplify right side
    2,689,319.60x = 7,447,880,170,615.92
  5. Step 5: Solve for x
    x = 7,447,880,170,615.92/2,689,319.60
  6. Step 6: Final answer
    x = 2,769,429.18

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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.