Finding the Fourth Proportional to 4,617,428.62, 6,370,498.02 and 2,987,897.66
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Solution
The fourth proportional to 4,617,428.62, 6,370,498.02 and 2,987,897.66 is: 4,122,293.53
Step by Step Solution
- Step 1: Write the proportion equation
4,617,428.62 : 6,370,498.02 = 2,987,897.66 : x - Step 2: Convert to fraction form
4,617,428.62/6,370,498.02 = 2,987,897.66/x - Step 3: Cross multiply
4,617,428.62x = 6,370,498.02 × 2,987,897.66 - Step 4: Simplify right side
4,617,428.62x = 19,034,396,126,992.63 - Step 5: Solve for x
x = 19,034,396,126,992.63/4,617,428.62 - Step 6: Final answer
x = 4,122,293.53
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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.