Home / 2,782,113.28-3,839,655.36-1,636,138.24

Finding the Fourth Proportional to 2,782,113.28, 3,839,655.36 and 1,636,138.24

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Solution

The fourth proportional to 2,782,113.28, 3,839,655.36 and 1,636,138.24 is: 2,258,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,113.28 : 3,839,655.36 = 1,636,138.24 : x
  2. Step 2: Convert to fraction form
    2,782,113.28/3,839,655.36 = 1,636,138.24/x
  3. Step 3: Cross multiply
    2,782,113.28x = 3,839,655.36 × 1,636,138.24
  4. Step 4: Simplify right side
    2,782,113.28x = 6,282,206,962,916.97
  5. Step 5: Solve for x
    x = 6,282,206,962,916.97/2,782,113.28
  6. Step 6: Final answer
    x = 2,258,070.15

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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.