Home / 1,428,916.14-2,151,927.96-1,301,370.30

Finding the Fourth Proportional to 1,428,916.14, 2,151,927.96 and 1,301,370.30

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Solution

The fourth proportional to 1,428,916.14, 2,151,927.96 and 1,301,370.30 is: 1,959,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,916.14 : 2,151,927.96 = 1,301,370.30 : x
  2. Step 2: Convert to fraction form
    1,428,916.14/2,151,927.96 = 1,301,370.30/x
  3. Step 3: Cross multiply
    1,428,916.14x = 2,151,927.96 × 1,301,370.30
  4. Step 4: Simplify right side
    1,428,916.14x = 2,800,455,134,883.59
  5. Step 5: Solve for x
    x = 2,800,455,134,883.59/1,428,916.14
  6. Step 6: Final answer
    x = 1,959,845.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.