Home / 3,618,582-5,430,361.32-1,254,678

Finding the Fourth Proportional to 3,618,582, 5,430,361.32 and 1,254,678

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Solution

The fourth proportional to 3,618,582, 5,430,361.32 and 1,254,678 is: 1,882,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,582 : 5,430,361.32 = 1,254,678 : x
  2. Step 2: Convert to fraction form
    3,618,582/5,430,361.32 = 1,254,678/x
  3. Step 3: Cross multiply
    3,618,582x = 5,430,361.32 × 1,254,678
  4. Step 4: Simplify right side
    3,618,582x = 6,813,354,880,254.96
  5. Step 5: Solve for x
    x = 6,813,354,880,254.96/3,618,582
  6. Step 6: Final answer
    x = 1,882,879.78

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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.