Finding the Fourth Proportional to 2,891,721.08, 4,338,772.63 and 1,271,657.09
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Solution
The fourth proportional to 2,891,721.08, 4,338,772.63 and 1,271,657.09 is: 1,908,009.39
Step by Step Solution
- Step 1: Write the proportion equation
2,891,721.08 : 4,338,772.63 = 1,271,657.09 : x - Step 2: Convert to fraction form
2,891,721.08/4,338,772.63 = 1,271,657.09/x - Step 3: Cross multiply
2,891,721.08x = 4,338,772.63 × 1,271,657.09 - Step 4: Simplify right side
2,891,721.08x = 5,517,430,984,505.24 - Step 5: Solve for x
x = 5,517,430,984,505.24/2,891,721.08 - Step 6: Final answer
x = 1,908,009.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.