Home / 2,870,628.60-4,305,942.90-1,276,305.60

Finding the Fourth Proportional to 2,870,628.60, 4,305,942.90 and 1,276,305.60

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Solution

The fourth proportional to 2,870,628.60, 4,305,942.90 and 1,276,305.60 is: 1,914,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,628.60 : 4,305,942.90 = 1,276,305.60 : x
  2. Step 2: Convert to fraction form
    2,870,628.60/4,305,942.90 = 1,276,305.60/x
  3. Step 3: Cross multiply
    2,870,628.60x = 4,305,942.90 × 1,276,305.60
  4. Step 4: Simplify right side
    2,870,628.60x = 5,495,699,036,550.24
  5. Step 5: Solve for x
    x = 5,495,699,036,550.24/2,870,628.60
  6. Step 6: Final answer
    x = 1,914,458.40

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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.