Home / 1,789,507.47-2,688,745.27-1,681,890.67

Finding the Fourth Proportional to 1,789,507.47, 2,688,745.27 and 1,681,890.67

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Solution

The fourth proportional to 1,789,507.47, 2,688,745.27 and 1,681,890.67 is: 2,527,050.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,507.47 : 2,688,745.27 = 1,681,890.67 : x
  2. Step 2: Convert to fraction form
    1,789,507.47/2,688,745.27 = 1,681,890.67/x
  3. Step 3: Cross multiply
    1,789,507.47x = 2,688,745.27 × 1,681,890.67
  4. Step 4: Simplify right side
    1,789,507.47x = 4,522,175,583,619.63
  5. Step 5: Solve for x
    x = 4,522,175,583,619.63/1,789,507.47
  6. Step 6: Final answer
    x = 2,527,050.41

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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.