Finding the Fourth Proportional to 7,122,452.06, 9,828,992.49 and 3,859,264.23
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Solution
The fourth proportional to 7,122,452.06, 9,828,992.49 and 3,859,264.23 is: 5,325,789.31
Step by Step Solution
- Step 1: Write the proportion equation
7,122,452.06 : 9,828,992.49 = 3,859,264.23 : x - Step 2: Convert to fraction form
7,122,452.06/9,828,992.49 = 3,859,264.23/x - Step 3: Cross multiply
7,122,452.06x = 9,828,992.49 × 3,859,264.23 - Step 4: Simplify right side
7,122,452.06x = 37,932,679,082,264.67 - Step 5: Solve for x
x = 37,932,679,082,264.67/7,122,452.06 - Step 6: Final answer
x = 5,325,789.31
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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.