Home / 2,688,518.76-4,023,301.14-1,678,115.04

Finding the Fourth Proportional to 2,688,518.76, 4,023,301.14 and 1,678,115.04

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Solution

The fourth proportional to 2,688,518.76, 4,023,301.14 and 1,678,115.04 is: 2,511,257.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,518.76 : 4,023,301.14 = 1,678,115.04 : x
  2. Step 2: Convert to fraction form
    2,688,518.76/4,023,301.14 = 1,678,115.04/x
  3. Step 3: Cross multiply
    2,688,518.76x = 4,023,301.14 × 1,678,115.04
  4. Step 4: Simplify right side
    2,688,518.76x = 6,751,562,153,483.15
  5. Step 5: Solve for x
    x = 6,751,562,153,483.15/2,688,518.76
  6. Step 6: Final answer
    x = 2,511,257.22

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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.