Home / 2,771,273.78-3,820,898.84-2,118,708.50

Finding the Fourth Proportional to 2,771,273.78, 3,820,898.84 and 2,118,708.50

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Solution

The fourth proportional to 2,771,273.78, 3,820,898.84 and 2,118,708.50 is: 2,921,173.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771,273.78 : 3,820,898.84 = 2,118,708.50 : x
  2. Step 2: Convert to fraction form
    2,771,273.78/3,820,898.84 = 2,118,708.50/x
  3. Step 3: Cross multiply
    2,771,273.78x = 3,820,898.84 × 2,118,708.50
  4. Step 4: Simplify right side
    2,771,273.78x = 8,095,370,849,948.14
  5. Step 5: Solve for x
    x = 8,095,370,849,948.14/2,771,273.78
  6. Step 6: Final answer
    x = 2,921,173.26

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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.