Finding the Fourth Proportional to 2,677,211.55, 3,694,693.65 and 1,531,485.99
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Solution
The fourth proportional to 2,677,211.55, 3,694,693.65 and 1,531,485.99 is: 2,113,531.73
Step by Step Solution
- Step 1: Write the proportion equation
2,677,211.55 : 3,694,693.65 = 1,531,485.99 : x - Step 2: Convert to fraction form
2,677,211.55/3,694,693.65 = 1,531,485.99/x - Step 3: Cross multiply
2,677,211.55x = 3,694,693.65 × 1,531,485.99 - Step 4: Simplify right side
2,677,211.55x = 5,658,371,562,316.96 - Step 5: Solve for x
x = 5,658,371,562,316.96/2,677,211.55 - Step 6: Final answer
x = 2,113,531.73
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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.