Finding the Fourth Proportional to 2,647,117.98, 3,971,119.86 and 2,078,476.14
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Solution
The fourth proportional to 2,647,117.98, 3,971,119.86 and 2,078,476.14 is: 3,118,061.96
Step by Step Solution
- Step 1: Write the proportion equation
2,647,117.98 : 3,971,119.86 = 2,078,476.14 : x - Step 2: Convert to fraction form
2,647,117.98/3,971,119.86 = 2,078,476.14/x - Step 3: Cross multiply
2,647,117.98x = 3,971,119.86 × 2,078,476.14 - Step 4: Simplify right side
2,647,117.98x = 8,253,877,878,090.14 - Step 5: Solve for x
x = 8,253,877,878,090.14/2,647,117.98 - Step 6: Final answer
x = 3,118,061.96
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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.