Home / 2,190,429.84-3,020,829.64-1,824,120

Finding the Fourth Proportional to 2,190,429.84, 3,020,829.64 and 1,824,120

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Solution

The fourth proportional to 2,190,429.84, 3,020,829.64 and 1,824,120 is: 2,515,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,429.84 : 3,020,829.64 = 1,824,120 : x
  2. Step 2: Convert to fraction form
    2,190,429.84/3,020,829.64 = 1,824,120/x
  3. Step 3: Cross multiply
    2,190,429.84x = 3,020,829.64 × 1,824,120
  4. Step 4: Simplify right side
    2,190,429.84x = 5,510,355,768,617.18
  5. Step 5: Solve for x
    x = 5,510,355,768,617.18/2,190,429.84
  6. Step 6: Final answer
    x = 2,515,650.43

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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.