Finding the Fourth Proportional to 7,125,590.45, 9,833,051.29 and 3,862,335.12
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Solution
The fourth proportional to 7,125,590.45, 9,833,051.29 and 3,862,335.12 is: 5,329,879.62
Step by Step Solution
- Step 1: Write the proportion equation
7,125,590.45 : 9,833,051.29 = 3,862,335.12 : x - Step 2: Convert to fraction form
7,125,590.45/9,833,051.29 = 3,862,335.12/x - Step 3: Cross multiply
7,125,590.45x = 9,833,051.29 × 3,862,335.12 - Step 4: Simplify right side
7,125,590.45x = 37,978,539,312,868.77 - Step 5: Solve for x
x = 37,978,539,312,868.77/7,125,590.45 - Step 6: Final answer
x = 5,329,879.62
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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.