Finding the Fourth Proportional to 1,230,228.30, 1,845,342.45 and 1,118,035.20
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Solution
The fourth proportional to 1,230,228.30, 1,845,342.45 and 1,118,035.20 is: 1,677,052.80
Step by Step Solution
- Step 1: Write the proportion equation
1,230,228.30 : 1,845,342.45 = 1,118,035.20 : x - Step 2: Convert to fraction form
1,230,228.30/1,845,342.45 = 1,118,035.20/x - Step 3: Cross multiply
1,230,228.30x = 1,845,342.45 × 1,118,035.20 - Step 4: Simplify right side
1,230,228.30x = 2,063,157,815,154.24 - Step 5: Solve for x
x = 2,063,157,815,154.24/1,230,228.30 - Step 6: Final answer
x = 1,677,052.80
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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.