Home / 1,738,280.70-2,607,421.05-1,680,219.90

Finding the Fourth Proportional to 1,738,280.70, 2,607,421.05 and 1,680,219.90

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Solution

The fourth proportional to 1,738,280.70, 2,607,421.05 and 1,680,219.90 is: 2,520,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,280.70 : 2,607,421.05 = 1,680,219.90 : x
  2. Step 2: Convert to fraction form
    1,738,280.70/2,607,421.05 = 1,680,219.90/x
  3. Step 3: Cross multiply
    1,738,280.70x = 2,607,421.05 × 1,680,219.90
  4. Step 4: Simplify right side
    1,738,280.70x = 4,381,040,735,888.89
  5. Step 5: Solve for x
    x = 4,381,040,735,888.89/1,738,280.70
  6. Step 6: Final answer
    x = 2,520,329.85

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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.