Finding the Fourth Proportional to 4,157,777.31, 6,236,889.52 and 1,318,110.90
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Solution
The fourth proportional to 4,157,777.31, 6,236,889.52 and 1,318,110.90 is: 1,977,237.22
Step by Step Solution
- Step 1: Write the proportion equation
4,157,777.31 : 6,236,889.52 = 1,318,110.90 : x - Step 2: Convert to fraction form
4,157,777.31/6,236,889.52 = 1,318,110.90/x - Step 3: Cross multiply
4,157,777.31x = 6,236,889.52 × 1,318,110.90 - Step 4: Simplify right side
4,157,777.31x = 8,220,912,058,407.77 - Step 5: Solve for x
x = 8,220,912,058,407.77/4,157,777.31 - Step 6: Final answer
x = 1,977,237.22
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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.