Home / 2,106,536.40-3,159,804.60-1,686,632.40

Finding the Fourth Proportional to 2,106,536.40, 3,159,804.60 and 1,686,632.40

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Solution

The fourth proportional to 2,106,536.40, 3,159,804.60 and 1,686,632.40 is: 2,529,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,536.40 : 3,159,804.60 = 1,686,632.40 : x
  2. Step 2: Convert to fraction form
    2,106,536.40/3,159,804.60 = 1,686,632.40/x
  3. Step 3: Cross multiply
    2,106,536.40x = 3,159,804.60 × 1,686,632.40
  4. Step 4: Simplify right side
    2,106,536.40x = 5,329,428,816,029.04
  5. Step 5: Solve for x
    x = 5,329,428,816,029.04/2,106,536.40
  6. Step 6: Final answer
    x = 2,529,948.60

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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.