Home / 2,080,421.58-2,870,780.34-1,305,804.81

Finding the Fourth Proportional to 2,080,421.58, 2,870,780.34 and 1,305,804.81

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Solution

The fourth proportional to 2,080,421.58, 2,870,780.34 and 1,305,804.81 is: 1,801,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,421.58 : 2,870,780.34 = 1,305,804.81 : x
  2. Step 2: Convert to fraction form
    2,080,421.58/2,870,780.34 = 1,305,804.81/x
  3. Step 3: Cross multiply
    2,080,421.58x = 2,870,780.34 × 1,305,804.81
  4. Step 4: Simplify right side
    2,080,421.58x = 3,748,678,792,087.63
  5. Step 5: Solve for x
    x = 3,748,678,792,087.63/2,080,421.58
  6. Step 6: Final answer
    x = 1,801,884.21

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1.5x scale

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.