Finding the Fourth Proportional to 1,167,616.08, 1,610,942.58 and 921,826.44
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Solution
The fourth proportional to 1,167,616.08, 1,610,942.58 and 921,826.44 is: 1,271,830.26
Step by Step Solution
- Step 1: Write the proportion equation
1,167,616.08 : 1,610,942.58 = 921,826.44 : x - Step 2: Convert to fraction form
1,167,616.08/1,610,942.58 = 921,826.44/x - Step 3: Cross multiply
1,167,616.08x = 1,610,942.58 × 921,826.44 - Step 4: Simplify right side
1,167,616.08x = 1,485,009,463,565.82 - Step 5: Solve for x
x = 1,485,009,463,565.82/1,167,616.08 - Step 6: Final answer
x = 1,271,830.26
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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.