Home / 2,918,941.91-4,376,942.91-972,981.51

Finding the Fourth Proportional to 2,918,941.91, 4,376,942.91 and 972,981.51

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Solution

The fourth proportional to 2,918,941.91, 4,376,942.91 and 972,981.51 is: 1,458,982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,941.91 : 4,376,942.91 = 972,981.51 : x
  2. Step 2: Convert to fraction form
    2,918,941.91/4,376,942.91 = 972,981.51/x
  3. Step 3: Cross multiply
    2,918,941.91x = 4,376,942.91 × 972,981.51
  4. Step 4: Simplify right side
    2,918,941.91x = 4,258,684,521,755.59
  5. Step 5: Solve for x
    x = 4,258,684,521,755.59/2,918,941.91
  6. Step 6: Final answer
    x = 1,458,982.28

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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.