Finding the Fourth Proportional to 1,418,747.97, 2,128,062.36 and 660,328.56
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Solution
The fourth proportional to 1,418,747.97, 2,128,062.36 and 660,328.56 is: 990,465.10
Step by Step Solution
- Step 1: Write the proportion equation
1,418,747.97 : 2,128,062.36 = 660,328.56 : x - Step 2: Convert to fraction form
1,418,747.97/2,128,062.36 = 660,328.56/x - Step 3: Cross multiply
1,418,747.97x = 2,128,062.36 × 660,328.56 - Step 4: Simplify right side
1,418,747.97x = 1,405,220,353,769.00 - Step 5: Solve for x
x = 1,405,220,353,769.00/1,418,747.97 - Step 6: Final answer
x = 990,465.10
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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.