Finding the Fourth Proportional to 2,686,805.52, 3,701,484.96 and 1,869,603.84
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Solution
The fourth proportional to 2,686,805.52, 3,701,484.96 and 1,869,603.84 is: 2,575,664.83
Step by Step Solution
- Step 1: Write the proportion equation
2,686,805.52 : 3,701,484.96 = 1,869,603.84 : x - Step 2: Convert to fraction form
2,686,805.52/3,701,484.96 = 1,869,603.84/x - Step 3: Cross multiply
2,686,805.52x = 3,701,484.96 × 1,869,603.84 - Step 4: Simplify right side
2,686,805.52x = 6,920,310,494,918.25 - Step 5: Solve for x
x = 6,920,310,494,918.25/2,686,805.52 - Step 6: Final answer
x = 2,575,664.83
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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.