Home / 1,972,102.67-2,721,446.47-1,112,742.89

Finding the Fourth Proportional to 1,972,102.67, 2,721,446.47 and 1,112,742.89

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Solution

The fourth proportional to 1,972,102.67, 2,721,446.47 and 1,112,742.89 is: 1,535,554.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,102.67 : 2,721,446.47 = 1,112,742.89 : x
  2. Step 2: Convert to fraction form
    1,972,102.67/2,721,446.47 = 1,112,742.89/x
  3. Step 3: Cross multiply
    1,972,102.67x = 2,721,446.47 × 1,112,742.89
  4. Step 4: Simplify right side
    1,972,102.67x = 3,028,270,210,008.10
  5. Step 5: Solve for x
    x = 3,028,270,210,008.10/1,972,102.67
  6. Step 6: Final answer
    x = 1,535,554.03

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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.