Home / 1,483,690.80-2,222,911.80-1,389,212.40

Finding the Fourth Proportional to 1,483,690.80, 2,222,911.80 and 1,389,212.40

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Solution

The fourth proportional to 1,483,690.80, 2,222,911.80 and 1,389,212.40 is: 2,081,361.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483,690.80 : 2,222,911.80 = 1,389,212.40 : x
  2. Step 2: Convert to fraction form
    1,483,690.80/2,222,911.80 = 1,389,212.40/x
  3. Step 3: Cross multiply
    1,483,690.80x = 2,222,911.80 × 1,389,212.40
  4. Step 4: Simplify right side
    1,483,690.80x = 3,088,096,636,666.32
  5. Step 5: Solve for x
    x = 3,088,096,636,666.32/1,483,690.80
  6. Step 6: Final answer
    x = 2,081,361.32

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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.