Home / 1,877,287.40-2,590,640.97-1,061,651.21

Finding the Fourth Proportional to 1,877,287.40, 2,590,640.97 and 1,061,651.21

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Solution

The fourth proportional to 1,877,287.40, 2,590,640.97 and 1,061,651.21 is: 1,465,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,287.40 : 2,590,640.97 = 1,061,651.21 : x
  2. Step 2: Convert to fraction form
    1,877,287.40/2,590,640.97 = 1,061,651.21/x
  3. Step 3: Cross multiply
    1,877,287.40x = 2,590,640.97 × 1,061,651.21
  4. Step 4: Simplify right side
    1,877,287.40x = 2,750,357,120,476.07
  5. Step 5: Solve for x
    x = 2,750,357,120,476.07/1,877,287.40
  6. Step 6: Final answer
    x = 1,465,069.82

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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.