Home / 1,900,534.75-2,620,636.29-1,211,114.50

Finding the Fourth Proportional to 1,900,534.75, 2,620,636.29 and 1,211,114.50

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Solution

The fourth proportional to 1,900,534.75, 2,620,636.29 and 1,211,114.50 is: 1,669,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,534.75 : 2,620,636.29 = 1,211,114.50 : x
  2. Step 2: Convert to fraction form
    1,900,534.75/2,620,636.29 = 1,211,114.50/x
  3. Step 3: Cross multiply
    1,900,534.75x = 2,620,636.29 × 1,211,114.50
  4. Step 4: Simplify right side
    1,900,534.75x = 3,173,890,610,045.21
  5. Step 5: Solve for x
    x = 3,173,890,610,045.21/1,900,534.75
  6. Step 6: Final answer
    x = 1,669,998.73

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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.