Home / 1,876,835.07-2,810,706.39-1,298,838.72

Finding the Fourth Proportional to 1,876,835.07, 2,810,706.39 and 1,298,838.72

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Solution

The fourth proportional to 1,876,835.07, 2,810,706.39 and 1,298,838.72 is: 1,945,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,835.07 : 2,810,706.39 = 1,298,838.72 : x
  2. Step 2: Convert to fraction form
    1,876,835.07/2,810,706.39 = 1,298,838.72/x
  3. Step 3: Cross multiply
    1,876,835.07x = 2,810,706.39 × 1,298,838.72
  4. Step 4: Simplify right side
    1,876,835.07x = 3,650,654,289,883.42
  5. Step 5: Solve for x
    x = 3,650,654,289,883.42/1,876,835.07
  6. Step 6: Final answer
    x = 1,945,111.93

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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.