Finding the Fourth Proportional to 5,475,823.36, 7,557,293.32 and 3,183,984.05
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Solution
The fourth proportional to 5,475,823.36, 7,557,293.32 and 3,183,984.05 is: 4,394,280.05
Step by Step Solution
- Step 1: Write the proportion equation
5,475,823.36 : 7,557,293.32 = 3,183,984.05 : x - Step 2: Convert to fraction form
5,475,823.36/7,557,293.32 = 3,183,984.05/x - Step 3: Cross multiply
5,475,823.36x = 7,557,293.32 × 3,183,984.05 - Step 4: Simplify right side
5,475,823.36x = 24,062,301,346,305.12 - Step 5: Solve for x
x = 24,062,301,346,305.12/5,475,823.36 - Step 6: Final answer
x = 4,394,280.05
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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.