Finding the Fourth Proportional to 5,361,130.08, 7,398,416.16 and 2,913,741.36
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Solution
The fourth proportional to 5,361,130.08, 7,398,416.16 and 2,913,741.36 is: 4,020,993.87
Step by Step Solution
- Step 1: Write the proportion equation
5,361,130.08 : 7,398,416.16 = 2,913,741.36 : x - Step 2: Convert to fraction form
5,361,130.08/7,398,416.16 = 2,913,741.36/x - Step 3: Cross multiply
5,361,130.08x = 7,398,416.16 × 2,913,741.36 - Step 4: Simplify right side
5,361,130.08x = 21,557,071,163,884.38 - Step 5: Solve for x
x = 21,557,071,163,884.38/5,361,130.08 - Step 6: Final answer
x = 4,020,993.87
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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.