Home / 1,874,764.40-2,585,240-1,603,729.48

Finding the Fourth Proportional to 1,874,764.40, 2,585,240 and 1,603,729.48

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Solution

The fourth proportional to 1,874,764.40, 2,585,240 and 1,603,729.48 is: 2,211,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,764.40 : 2,585,240 = 1,603,729.48 : x
  2. Step 2: Convert to fraction form
    1,874,764.40/2,585,240 = 1,603,729.48/x
  3. Step 3: Cross multiply
    1,874,764.40x = 2,585,240 × 1,603,729.48
  4. Step 4: Simplify right side
    1,874,764.40x = 4,146,025,600,875.20
  5. Step 5: Solve for x
    x = 4,146,025,600,875.20/1,874,764.40
  6. Step 6: Final answer
    x = 2,211,491.54

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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.