Home / 1,890,324.87-2,608,803.27-1,074,784.47

Finding the Fourth Proportional to 1,890,324.87, 2,608,803.27 and 1,074,784.47

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Solution

The fourth proportional to 1,890,324.87, 2,608,803.27 and 1,074,784.47 is: 1,483,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,324.87 : 2,608,803.27 = 1,074,784.47 : x
  2. Step 2: Convert to fraction form
    1,890,324.87/2,608,803.27 = 1,074,784.47/x
  3. Step 3: Cross multiply
    1,890,324.87x = 2,608,803.27 × 1,074,784.47
  4. Step 4: Simplify right side
    1,890,324.87x = 2,803,901,239,881.22
  5. Step 5: Solve for x
    x = 2,803,901,239,881.22/1,890,324.87
  6. Step 6: Final answer
    x = 1,483,290.67

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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.