Home / 3,462,689-4,778,421.72-1,934,808.68

Finding the Fourth Proportional to 3,462,689, 4,778,421.72 and 1,934,808.68

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Solution

The fourth proportional to 3,462,689, 4,778,421.72 and 1,934,808.68 is: 2,669,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462,689 : 4,778,421.72 = 1,934,808.68 : x
  2. Step 2: Convert to fraction form
    3,462,689/4,778,421.72 = 1,934,808.68/x
  3. Step 3: Cross multiply
    3,462,689x = 4,778,421.72 × 1,934,808.68
  4. Step 4: Simplify right side
    3,462,689x = 9,245,331,820,556.53
  5. Step 5: Solve for x
    x = 9,245,331,820,556.53/3,462,689
  6. Step 6: Final answer
    x = 2,669,986.19

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1.5x scale

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.