Finding the Fourth Proportional to 1,562,829.98, 2,157,040.47 and 1,017,993.60
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Solution
The fourth proportional to 1,562,829.98, 2,157,040.47 and 1,017,993.60 is: 1,405,049.45
Step by Step Solution
- Step 1: Write the proportion equation
1,562,829.98 : 2,157,040.47 = 1,017,993.60 : x - Step 2: Convert to fraction form
1,562,829.98/2,157,040.47 = 1,017,993.60/x - Step 3: Cross multiply
1,562,829.98x = 2,157,040.47 × 1,017,993.60 - Step 4: Simplify right side
1,562,829.98x = 2,195,853,393,400.99 - Step 5: Solve for x
x = 2,195,853,393,400.99/1,562,829.98 - Step 6: Final answer
x = 1,405,049.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.