Home / 1,870,556.36-2,581,148.43-1,054,711.43

Finding the Fourth Proportional to 1,870,556.36, 2,581,148.43 and 1,054,711.43

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Solution

The fourth proportional to 1,870,556.36, 2,581,148.43 and 1,054,711.43 is: 1,455,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,556.36 : 2,581,148.43 = 1,054,711.43 : x
  2. Step 2: Convert to fraction form
    1,870,556.36/2,581,148.43 = 1,054,711.43/x
  3. Step 3: Cross multiply
    1,870,556.36x = 2,581,148.43 × 1,054,711.43
  4. Step 4: Simplify right side
    1,870,556.36x = 2,722,366,748,421.12
  5. Step 5: Solve for x
    x = 2,722,366,748,421.12/1,870,556.36
  6. Step 6: Final answer
    x = 1,455,378.09

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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.