Home / 4,769,427.60-7,144,810.20-2,870,528.40

Finding the Fourth Proportional to 4,769,427.60, 7,144,810.20 and 2,870,528.40

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Solution

The fourth proportional to 4,769,427.60, 7,144,810.20 and 2,870,528.40 is: 4,300,176.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769,427.60 : 7,144,810.20 = 2,870,528.40 : x
  2. Step 2: Convert to fraction form
    4,769,427.60/7,144,810.20 = 2,870,528.40/x
  3. Step 3: Cross multiply
    4,769,427.60x = 7,144,810.20 × 2,870,528.40
  4. Step 4: Simplify right side
    4,769,427.60x = 20,509,380,591,709.68
  5. Step 5: Solve for x
    x = 20,509,380,591,709.68/4,769,427.60
  6. Step 6: Final answer
    x = 4,300,176.52

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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.