Finding the Fourth Proportional to 1,418,682.11, 2,129,157.98 and 745,160.60
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Solution
The fourth proportional to 1,418,682.11, 2,129,157.98 and 745,160.60 is: 1,118,336.96
Step by Step Solution
- Step 1: Write the proportion equation
1,418,682.11 : 2,129,157.98 = 745,160.60 : x - Step 2: Convert to fraction form
1,418,682.11/2,129,157.98 = 745,160.60/x - Step 3: Cross multiply
1,418,682.11x = 2,129,157.98 × 745,160.60 - Step 4: Simplify right side
1,418,682.11x = 1,586,564,637,871.59 - Step 5: Solve for x
x = 1,586,564,637,871.59/1,418,682.11 - Step 6: Final answer
x = 1,118,336.96
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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.