Home / 1,929,069.85-2,661,871.71-1,057,675.24

Finding the Fourth Proportional to 1,929,069.85, 2,661,871.71 and 1,057,675.24

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Solution

The fourth proportional to 1,929,069.85, 2,661,871.71 and 1,057,675.24 is: 1,459,457.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,069.85 : 2,661,871.71 = 1,057,675.24 : x
  2. Step 2: Convert to fraction form
    1,929,069.85/2,661,871.71 = 1,057,675.24/x
  3. Step 3: Cross multiply
    1,929,069.85x = 2,661,871.71 × 1,057,675.24
  4. Step 4: Simplify right side
    1,929,069.85x = 2,815,395,792,556.42
  5. Step 5: Solve for x
    x = 2,815,395,792,556.42/1,929,069.85
  6. Step 6: Final answer
    x = 1,459,457.67

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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.