Home / 2,112,908.91-2,913,503.49-1,570,051.77

Finding the Fourth Proportional to 2,112,908.91, 2,913,503.49 and 1,570,051.77

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Solution

The fourth proportional to 2,112,908.91, 2,913,503.49 and 1,570,051.77 is: 2,164,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,908.91 : 2,913,503.49 = 1,570,051.77 : x
  2. Step 2: Convert to fraction form
    2,112,908.91/2,913,503.49 = 1,570,051.77/x
  3. Step 3: Cross multiply
    2,112,908.91x = 2,913,503.49 × 1,570,051.77
  4. Step 4: Simplify right side
    2,112,908.91x = 4,574,351,311,375.68
  5. Step 5: Solve for x
    x = 4,574,351,311,375.68/2,112,908.91
  6. Step 6: Final answer
    x = 2,164,954.34

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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.