Home / 2,908,076.07-4,010,532.45-1,820,446.80

Finding the Fourth Proportional to 2,908,076.07, 4,010,532.45 and 1,820,446.80

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Solution

The fourth proportional to 2,908,076.07, 4,010,532.45 and 1,820,446.80 is: 2,510,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908,076.07 : 4,010,532.45 = 1,820,446.80 : x
  2. Step 2: Convert to fraction form
    2,908,076.07/4,010,532.45 = 1,820,446.80/x
  3. Step 3: Cross multiply
    2,908,076.07x = 4,010,532.45 × 1,820,446.80
  4. Step 4: Simplify right side
    2,908,076.07x = 7,300,960,964,898.66
  5. Step 5: Solve for x
    x = 7,300,960,964,898.66/2,908,076.07
  6. Step 6: Final answer
    x = 2,510,581.15

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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.