Home / 2,680,845.79-4,020,005.35-973,785.67

Finding the Fourth Proportional to 2,680,845.79, 4,020,005.35 and 973,785.67

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Solution

The fourth proportional to 2,680,845.79, 4,020,005.35 and 973,785.67 is: 1,460,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,845.79 : 4,020,005.35 = 973,785.67 : x
  2. Step 2: Convert to fraction form
    2,680,845.79/4,020,005.35 = 973,785.67/x
  3. Step 3: Cross multiply
    2,680,845.79x = 4,020,005.35 × 973,785.67
  4. Step 4: Simplify right side
    2,680,845.79x = 3,914,623,600,149.39
  5. Step 5: Solve for x
    x = 3,914,623,600,149.39/2,680,845.79
  6. Step 6: Final answer
    x = 1,460,219.61

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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.