Home / 1,870,672.53-2,579,806.49-1,225,858.53

Finding the Fourth Proportional to 1,870,672.53, 2,579,806.49 and 1,225,858.53

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Solution

The fourth proportional to 1,870,672.53, 2,579,806.49 and 1,225,858.53 is: 1,690,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,672.53 : 2,579,806.49 = 1,225,858.53 : x
  2. Step 2: Convert to fraction form
    1,870,672.53/2,579,806.49 = 1,225,858.53/x
  3. Step 3: Cross multiply
    1,870,672.53x = 2,579,806.49 × 1,225,858.53
  4. Step 4: Simplify right side
    1,870,672.53x = 3,162,477,785,386.57
  5. Step 5: Solve for x
    x = 3,162,477,785,386.57/1,870,672.53
  6. Step 6: Final answer
    x = 1,690,556.60

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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.