Home / 1,859,904.81-2,566,008.32-1,215,696.69

Finding the Fourth Proportional to 1,859,904.81, 2,566,008.32 and 1,215,696.69

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Solution

The fourth proportional to 1,859,904.81, 2,566,008.32 and 1,215,696.69 is: 1,677,229.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,904.81 : 2,566,008.32 = 1,215,696.69 : x
  2. Step 2: Convert to fraction form
    1,859,904.81/2,566,008.32 = 1,215,696.69/x
  3. Step 3: Cross multiply
    1,859,904.81x = 2,566,008.32 × 1,215,696.69
  4. Step 4: Simplify right side
    1,859,904.81x = 3,119,487,815,057.98
  5. Step 5: Solve for x
    x = 3,119,487,815,057.98/1,859,904.81
  6. Step 6: Final answer
    x = 1,677,229.82

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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.