Finding the Fourth Proportional to 984,129.40, 1,473,569.70 and 984,129.40
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Solution
The fourth proportional to 984,129.40, 1,473,569.70 and 984,129.40 is: 1,473,569.70
Step by Step Solution
- Step 1: Write the proportion equation
984,129.40 : 1,473,569.70 = 984,129.40 : x - Step 2: Convert to fraction form
984,129.40/1,473,569.70 = 984,129.40/x - Step 3: Cross multiply
984,129.40x = 1,473,569.70 × 984,129.40 - Step 4: Simplify right side
984,129.40x = 1,450,183,264,719.18 - Step 5: Solve for x
x = 1,450,183,264,719.18/984,129.40 - Step 6: Final answer
x = 1,473,569.70
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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.