Home / 1,989,091.52-2,985,724.40-1,762,834.64

Finding the Fourth Proportional to 1,989,091.52, 2,985,724.40 and 1,762,834.64

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Solution

The fourth proportional to 1,989,091.52, 2,985,724.40 and 1,762,834.64 is: 2,646,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,091.52 : 2,985,724.40 = 1,762,834.64 : x
  2. Step 2: Convert to fraction form
    1,989,091.52/2,985,724.40 = 1,762,834.64/x
  3. Step 3: Cross multiply
    1,989,091.52x = 2,985,724.40 × 1,762,834.64
  4. Step 4: Simplify right side
    1,989,091.52x = 5,263,338,397,813.22
  5. Step 5: Solve for x
    x = 5,263,338,397,813.22/1,989,091.52
  6. Step 6: Final answer
    x = 2,646,101.67

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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.