Finding the Fourth Proportional to 3,750,432.12, 5,175,489.93 and 2,201,669.04
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Solution
The fourth proportional to 3,750,432.12, 5,175,489.93 and 2,201,669.04 is: 3,038,240.82
Step by Step Solution
- Step 1: Write the proportion equation
3,750,432.12 : 5,175,489.93 = 2,201,669.04 : x - Step 2: Convert to fraction form
3,750,432.12/5,175,489.93 = 2,201,669.04/x - Step 3: Cross multiply
3,750,432.12x = 5,175,489.93 × 2,201,669.04 - Step 4: Simplify right side
3,750,432.12x = 11,394,715,945,712.77 - Step 5: Solve for x
x = 11,394,715,945,712.77/3,750,432.12 - Step 6: Final answer
x = 3,038,240.82
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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.