Home / 1,790,474.76-2,686,524.48-1,639,111.68

Finding the Fourth Proportional to 1,790,474.76, 2,686,524.48 and 1,639,111.68

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Solution

The fourth proportional to 1,790,474.76, 2,686,524.48 and 1,639,111.68 is: 2,459,411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,474.76 : 2,686,524.48 = 1,639,111.68 : x
  2. Step 2: Convert to fraction form
    1,790,474.76/2,686,524.48 = 1,639,111.68/x
  3. Step 3: Cross multiply
    1,790,474.76x = 2,686,524.48 × 1,639,111.68
  4. Step 4: Simplify right side
    1,790,474.76x = 4,403,513,653,773.93
  5. Step 5: Solve for x
    x = 4,403,513,653,773.93/1,790,474.76
  6. Step 6: Final answer
    x = 2,459,411.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.