Finding the Fourth Proportional to 3,150,985.40, 4,718,604.90 and 2,521,129.40
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Solution
The fourth proportional to 3,150,985.40, 4,718,604.90 and 2,521,129.40 is: 3,775,394.69
Step by Step Solution
- Step 1: Write the proportion equation
3,150,985.40 : 4,718,604.90 = 2,521,129.40 : x - Step 2: Convert to fraction form
3,150,985.40/4,718,604.90 = 2,521,129.40/x - Step 3: Cross multiply
3,150,985.40x = 4,718,604.90 × 2,521,129.40 - Step 4: Simplify right side
3,150,985.40x = 11,896,213,540,374.06 - Step 5: Solve for x
x = 11,896,213,540,374.06/3,150,985.40 - Step 6: Final answer
x = 3,775,394.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.