Home / 1,977,489-2,728,934.82-1,072,071

Finding the Fourth Proportional to 1,977,489, 2,728,934.82 and 1,072,071

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Solution

The fourth proportional to 1,977,489, 2,728,934.82 and 1,072,071 is: 1,479,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,489 : 2,728,934.82 = 1,072,071 : x
  2. Step 2: Convert to fraction form
    1,977,489/2,728,934.82 = 1,072,071/x
  3. Step 3: Cross multiply
    1,977,489x = 2,728,934.82 × 1,072,071
  4. Step 4: Simplify right side
    1,977,489x = 2,925,611,881,412.22
  5. Step 5: Solve for x
    x = 2,925,611,881,412.22/1,977,489
  6. Step 6: Final answer
    x = 1,479,457.98

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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.