Finding the Fourth Proportional to 1,474,345.48, 2,035,224.36 and 991,190.74
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Solution
The fourth proportional to 1,474,345.48, 2,035,224.36 and 991,190.74 is: 1,368,265.15
Step by Step Solution
- Step 1: Write the proportion equation
1,474,345.48 : 2,035,224.36 = 991,190.74 : x - Step 2: Convert to fraction form
1,474,345.48/2,035,224.36 = 991,190.74/x - Step 3: Cross multiply
1,474,345.48x = 2,035,224.36 × 991,190.74 - Step 4: Simplify right side
1,474,345.48x = 2,017,295,539,454.43 - Step 5: Solve for x
x = 2,017,295,539,454.43/1,474,345.48 - Step 6: Final answer
x = 1,368,265.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.