Home / 2,080,528.71-2,870,318.61-1,305,707.40

Finding the Fourth Proportional to 2,080,528.71, 2,870,318.61 and 1,305,707.40

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Solution

The fourth proportional to 2,080,528.71, 2,870,318.61 and 1,305,707.40 is: 1,801,367.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,528.71 : 2,870,318.61 = 1,305,707.40 : x
  2. Step 2: Convert to fraction form
    2,080,528.71/2,870,318.61 = 1,305,707.40/x
  3. Step 3: Cross multiply
    2,080,528.71x = 2,870,318.61 × 1,305,707.40
  4. Step 4: Simplify right side
    2,080,528.71x = 3,747,796,249,434.71
  5. Step 5: Solve for x
    x = 3,747,796,249,434.71/2,080,528.71
  6. Step 6: Final answer
    x = 1,801,367.23

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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.