Home / 2,190,225.84-3,022,479.24-1,223,370.16

Finding the Fourth Proportional to 2,190,225.84, 3,022,479.24 and 1,223,370.16

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Solution

The fourth proportional to 2,190,225.84, 3,022,479.24 and 1,223,370.16 is: 1,688,232.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,225.84 : 3,022,479.24 = 1,223,370.16 : x
  2. Step 2: Convert to fraction form
    2,190,225.84/3,022,479.24 = 1,223,370.16/x
  3. Step 3: Cross multiply
    2,190,225.84x = 3,022,479.24 × 1,223,370.16
  4. Step 4: Simplify right side
    2,190,225.84x = 3,697,610,911,435.48
  5. Step 5: Solve for x
    x = 3,697,610,911,435.48/2,190,225.84
  6. Step 6: Final answer
    x = 1,688,232.71

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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.