Home / 2,678,854.60-4,018,281.90-684,310.60

Finding the Fourth Proportional to 2,678,854.60, 4,018,281.90 and 684,310.60

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Solution

The fourth proportional to 2,678,854.60, 4,018,281.90 and 684,310.60 is: 1,026,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,854.60 : 4,018,281.90 = 684,310.60 : x
  2. Step 2: Convert to fraction form
    2,678,854.60/4,018,281.90 = 684,310.60/x
  3. Step 3: Cross multiply
    2,678,854.60x = 4,018,281.90 × 684,310.60
  4. Step 4: Simplify right side
    2,678,854.60x = 2,749,752,897,958.14
  5. Step 5: Solve for x
    x = 2,749,752,897,958.14/2,678,854.60
  6. Step 6: Final answer
    x = 1,026,465.90

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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.