Finding the Fourth Proportional to 2,687,125.73, 3,708,338.47 and 1,525,680.05
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Solution
The fourth proportional to 2,687,125.73, 3,708,338.47 and 1,525,680.05 is: 2,105,498.05
Step by Step Solution
- Step 1: Write the proportion equation
2,687,125.73 : 3,708,338.47 = 1,525,680.05 : x - Step 2: Convert to fraction form
2,687,125.73/3,708,338.47 = 1,525,680.05/x - Step 3: Cross multiply
2,687,125.73x = 3,708,338.47 × 1,525,680.05 - Step 4: Simplify right side
2,687,125.73x = 5,657,737,999,970.63 - Step 5: Solve for x
x = 5,657,737,999,970.63/2,687,125.73 - Step 6: Final answer
x = 2,105,498.05
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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.