Finding the Fourth Proportional to 5,168,451.62, 7,132,531.47 and 2,845,614.62
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Solution
The fourth proportional to 5,168,451.62, 7,132,531.47 and 2,845,614.62 is: 3,926,985.74
Step by Step Solution
- Step 1: Write the proportion equation
5,168,451.62 : 7,132,531.47 = 2,845,614.62 : x - Step 2: Convert to fraction form
5,168,451.62/7,132,531.47 = 2,845,614.62/x - Step 3: Cross multiply
5,168,451.62x = 7,132,531.47 × 2,845,614.62 - Step 4: Simplify right side
5,168,451.62x = 20,296,435,828,642.09 - Step 5: Solve for x
x = 20,296,435,828,642.09/5,168,451.62 - Step 6: Final answer
x = 3,926,985.74
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1.5x scale
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.