Finding the Fourth Proportional to 2,919,933.41, 4,028,922.92 and 1,630,575.41
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Solution
The fourth proportional to 2,919,933.41, 4,028,922.92 and 1,630,575.41 is: 2,249,867.28
Step by Step Solution
- Step 1: Write the proportion equation
2,919,933.41 : 4,028,922.92 = 1,630,575.41 : x - Step 2: Convert to fraction form
2,919,933.41/4,028,922.92 = 1,630,575.41/x - Step 3: Cross multiply
2,919,933.41x = 4,028,922.92 × 1,630,575.41 - Step 4: Simplify right side
2,919,933.41x = 6,569,462,626,069.22 - Step 5: Solve for x
x = 6,569,462,626,069.22/2,919,933.41 - Step 6: Final answer
x = 2,249,867.28
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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.