Finding the Fourth Proportional to 3,636,220.14, 5,017,994.01 and 2,186,745.75
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Solution
The fourth proportional to 3,636,220.14, 5,017,994.01 and 2,186,745.75 is: 3,017,715.28
Step by Step Solution
- Step 1: Write the proportion equation
3,636,220.14 : 5,017,994.01 = 2,186,745.75 : x - Step 2: Convert to fraction form
3,636,220.14/5,017,994.01 = 2,186,745.75/x - Step 3: Cross multiply
3,636,220.14x = 5,017,994.01 × 2,186,745.75 - Step 4: Simplify right side
3,636,220.14x = 10,973,077,074,892.96 - Step 5: Solve for x
x = 10,973,077,074,892.96/3,636,220.14 - Step 6: Final answer
x = 3,017,715.28
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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.