Home / 2,666,979-3,680,430.75-1,443,284.51

Finding the Fourth Proportional to 2,666,979, 3,680,430.75 and 1,443,284.51

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Solution

The fourth proportional to 2,666,979, 3,680,430.75 and 1,443,284.51 is: 1,991,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,979 : 3,680,430.75 = 1,443,284.51 : x
  2. Step 2: Convert to fraction form
    2,666,979/3,680,430.75 = 1,443,284.51/x
  3. Step 3: Cross multiply
    2,666,979x = 3,680,430.75 × 1,443,284.51
  4. Step 4: Simplify right side
    2,666,979x = 5,311,908,673,200.53
  5. Step 5: Solve for x
    x = 5,311,908,673,200.53/2,666,979
  6. Step 6: Final answer
    x = 1,991,732.47

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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.