Home / 2,905,721.76-4,009,841.04-1,616,558.16

Finding the Fourth Proportional to 2,905,721.76, 4,009,841.04 and 1,616,558.16

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Solution

The fourth proportional to 2,905,721.76, 4,009,841.04 and 1,616,558.16 is: 2,230,819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905,721.76 : 4,009,841.04 = 1,616,558.16 : x
  2. Step 2: Convert to fraction form
    2,905,721.76/4,009,841.04 = 1,616,558.16/x
  3. Step 3: Cross multiply
    2,905,721.76x = 4,009,841.04 × 1,616,558.16
  4. Step 4: Simplify right side
    2,905,721.76x = 6,482,141,253,514.89
  5. Step 5: Solve for x
    x = 6,482,141,253,514.89/2,905,721.76
  6. Step 6: Final answer
    x = 2,230,819.67

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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.