Home / 2,891,954.04-3,990,742.83-1,668,186.50

Finding the Fourth Proportional to 2,891,954.04, 3,990,742.83 and 1,668,186.50

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Solution

The fourth proportional to 2,891,954.04, 3,990,742.83 and 1,668,186.50 is: 2,302,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,954.04 : 3,990,742.83 = 1,668,186.50 : x
  2. Step 2: Convert to fraction form
    2,891,954.04/3,990,742.83 = 1,668,186.50/x
  3. Step 3: Cross multiply
    2,891,954.04x = 3,990,742.83 × 1,668,186.50
  4. Step 4: Simplify right side
    2,891,954.04x = 6,657,303,294,024.08
  5. Step 5: Solve for x
    x = 6,657,303,294,024.08/2,891,954.04
  6. Step 6: Final answer
    x = 2,302,008.68

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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.