Home / 1,942,294.26-2,680,307.37-1,071,128.51

Finding the Fourth Proportional to 1,942,294.26, 2,680,307.37 and 1,071,128.51

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Solution

The fourth proportional to 1,942,294.26, 2,680,307.37 and 1,071,128.51 is: 1,478,124.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,294.26 : 2,680,307.37 = 1,071,128.51 : x
  2. Step 2: Convert to fraction form
    1,942,294.26/2,680,307.37 = 1,071,128.51/x
  3. Step 3: Cross multiply
    1,942,294.26x = 2,680,307.37 × 1,071,128.51
  4. Step 4: Simplify right side
    1,942,294.26x = 2,870,953,626,168.58
  5. Step 5: Solve for x
    x = 2,870,953,626,168.58/1,942,294.26
  6. Step 6: Final answer
    x = 1,478,124.96

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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.