Home / 2,106,568.65-2,907,064.98-1,139,698.38

Finding the Fourth Proportional to 2,106,568.65, 2,907,064.98 and 1,139,698.38

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Solution

The fourth proportional to 2,106,568.65, 2,907,064.98 and 1,139,698.38 is: 1,572,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,568.65 : 2,907,064.98 = 1,139,698.38 : x
  2. Step 2: Convert to fraction form
    2,106,568.65/2,907,064.98 = 1,139,698.38/x
  3. Step 3: Cross multiply
    2,106,568.65x = 2,907,064.98 × 1,139,698.38
  4. Step 4: Simplify right side
    2,106,568.65x = 3,313,177,248,260.73
  5. Step 5: Solve for x
    x = 3,313,177,248,260.73/2,106,568.65
  6. Step 6: Final answer
    x = 1,572,783.90

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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.