Home / 5,218,574.14-7,825,985.66-1,805,934.23

Finding the Fourth Proportional to 5,218,574.14, 7,825,985.66 and 1,805,934.23

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Solution

The fourth proportional to 5,218,574.14, 7,825,985.66 and 1,805,934.23 is: 2,708,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218,574.14 : 7,825,985.66 = 1,805,934.23 : x
  2. Step 2: Convert to fraction form
    5,218,574.14/7,825,985.66 = 1,805,934.23/x
  3. Step 3: Cross multiply
    5,218,574.14x = 7,825,985.66 × 1,805,934.23
  4. Step 4: Simplify right side
    5,218,574.14x = 14,133,215,415,478.29
  5. Step 5: Solve for x
    x = 14,133,215,415,478.29/5,218,574.14
  6. Step 6: Final answer
    x = 2,708,252.30

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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.