Home / 4,388,438.86-6,580,291.35-1,990,975.36

Finding the Fourth Proportional to 4,388,438.86, 6,580,291.35 and 1,990,975.36

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Solution

The fourth proportional to 4,388,438.86, 6,580,291.35 and 1,990,975.36 is: 2,985,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388,438.86 : 6,580,291.35 = 1,990,975.36 : x
  2. Step 2: Convert to fraction form
    4,388,438.86/6,580,291.35 = 1,990,975.36/x
  3. Step 3: Cross multiply
    4,388,438.86x = 6,580,291.35 × 1,990,975.36
  4. Step 4: Simplify right side
    4,388,438.86x = 13,101,197,939,471.14
  5. Step 5: Solve for x
    x = 13,101,197,939,471.14/4,388,438.86
  6. Step 6: Final answer
    x = 2,985,389.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.