Finding the Fourth Proportional to 4,658,146.29, 6,433,622.16 and 3,106,712.40
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Solution
The fourth proportional to 4,658,146.29, 6,433,622.16 and 3,106,712.40 is: 4,290,851.45
Step by Step Solution
- Step 1: Write the proportion equation
4,658,146.29 : 6,433,622.16 = 3,106,712.40 : x - Step 2: Convert to fraction form
4,658,146.29/6,433,622.16 = 3,106,712.40/x - Step 3: Cross multiply
4,658,146.29x = 6,433,622.16 × 3,106,712.40 - Step 4: Simplify right side
4,658,146.29x = 19,987,413,741,386.79 - Step 5: Solve for x
x = 19,987,413,741,386.79/4,658,146.29 - Step 6: Final answer
x = 4,290,851.45
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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.