Finding the Fourth Proportional to 6,827,721.36, 9,422,445.60 and 3,772,132.44
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Solution
The fourth proportional to 6,827,721.36, 9,422,445.60 and 3,772,132.44 is: 5,205,647.81
Step by Step Solution
- Step 1: Write the proportion equation
6,827,721.36 : 9,422,445.60 = 3,772,132.44 : x - Step 2: Convert to fraction form
6,827,721.36/9,422,445.60 = 3,772,132.44/x - Step 3: Cross multiply
6,827,721.36x = 9,422,445.60 × 3,772,132.44 - Step 4: Simplify right side
6,827,721.36x = 35,542,712,711,895.27 - Step 5: Solve for x
x = 35,542,712,711,895.27/6,827,721.36 - Step 6: Final answer
x = 5,205,647.81
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1.5x scale
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.