Home / 1,572,098.49-2,167,954.70-998,142.21

Finding the Fourth Proportional to 1,572,098.49, 2,167,954.70 and 998,142.21

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Solution

The fourth proportional to 1,572,098.49, 2,167,954.70 and 998,142.21 is: 1,376,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,098.49 : 2,167,954.70 = 998,142.21 : x
  2. Step 2: Convert to fraction form
    1,572,098.49/2,167,954.70 = 998,142.21/x
  3. Step 3: Cross multiply
    1,572,098.49x = 2,167,954.70 × 998,142.21
  4. Step 4: Simplify right side
    1,572,098.49x = 2,163,927,090,447.18
  5. Step 5: Solve for x
    x = 2,163,927,090,447.18/1,572,098.49
  6. Step 6: Final answer
    x = 1,376,457.71

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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.