Finding the Fourth Proportional to 1,993,226.70, 2,750,290.66 and 1,177,563.18
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Solution
The fourth proportional to 1,993,226.70, 2,750,290.66 and 1,177,563.18 is: 1,624,823.22
Step by Step Solution
- Step 1: Write the proportion equation
1,993,226.70 : 2,750,290.66 = 1,177,563.18 : x - Step 2: Convert to fraction form
1,993,226.70/2,750,290.66 = 1,177,563.18/x - Step 3: Cross multiply
1,993,226.70x = 2,750,290.66 × 1,177,563.18 - Step 4: Simplify right side
1,993,226.70x = 3,238,641,015,513.90 - Step 5: Solve for x
x = 3,238,641,015,513.90/1,993,226.70 - Step 6: Final answer
x = 1,624,823.22
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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.