Finding the Fourth Proportional to 2,686,538.48, 3,701,117.61 and 1,869,336.77
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Solution
The fourth proportional to 2,686,538.48, 3,701,117.61 and 1,869,336.77 is: 2,575,297.28
Step by Step Solution
- Step 1: Write the proportion equation
2,686,538.48 : 3,701,117.61 = 1,869,336.77 : x - Step 2: Convert to fraction form
2,686,538.48/3,701,117.61 = 1,869,336.77/x - Step 3: Cross multiply
2,686,538.48x = 3,701,117.61 × 1,869,336.77 - Step 4: Simplify right side
2,686,538.48x = 6,918,635,219,961.93 - Step 5: Solve for x
x = 6,918,635,219,961.93/2,686,538.48 - Step 6: Final answer
x = 2,575,297.28
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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.