Finding the Fourth Proportional to 4,589,985.70, 6,878,679.93 and 2,904,071.14
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Solution
The fourth proportional to 4,589,985.70, 6,878,679.93 and 2,904,071.14 is: 4,352,121.59
Step by Step Solution
- Step 1: Write the proportion equation
4,589,985.70 : 6,878,679.93 = 2,904,071.14 : x - Step 2: Convert to fraction form
4,589,985.70/6,878,679.93 = 2,904,071.14/x - Step 3: Cross multiply
4,589,985.70x = 6,878,679.93 × 2,904,071.14 - Step 4: Simplify right side
4,589,985.70x = 19,976,175,866,010.22 - Step 5: Solve for x
x = 19,976,175,866,010.22/4,589,985.70 - Step 6: Final answer
x = 4,352,121.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.