Home / 1,813,935.84-2,720,903.75-661,268.85

Finding the Fourth Proportional to 1,813,935.84, 2,720,903.75 and 661,268.85

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Solution

The fourth proportional to 1,813,935.84, 2,720,903.75 and 661,268.85 is: 991,903.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,935.84 : 2,720,903.75 = 661,268.85 : x
  2. Step 2: Convert to fraction form
    1,813,935.84/2,720,903.75 = 661,268.85/x
  3. Step 3: Cross multiply
    1,813,935.84x = 2,720,903.75 × 661,268.85
  4. Step 4: Simplify right side
    1,813,935.84x = 1,799,248,895,376.36
  5. Step 5: Solve for x
    x = 1,799,248,895,376.36/1,813,935.84
  6. Step 6: Final answer
    x = 991,903.27

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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.