Home / 4,939,880-6,817,034.40-2,678,888

Finding the Fourth Proportional to 4,939,880, 6,817,034.40 and 2,678,888

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Solution

The fourth proportional to 4,939,880, 6,817,034.40 and 2,678,888 is: 3,696,865.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939,880 : 6,817,034.40 = 2,678,888 : x
  2. Step 2: Convert to fraction form
    4,939,880/6,817,034.40 = 2,678,888/x
  3. Step 3: Cross multiply
    4,939,880x = 6,817,034.40 × 2,678,888
  4. Step 4: Simplify right side
    4,939,880x = 18,262,071,649,747.20
  5. Step 5: Solve for x
    x = 18,262,071,649,747.20/4,939,880
  6. Step 6: Final answer
    x = 3,696,865.44

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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.