Finding the Fourth Proportional to 4,878,742.26, 6,732,657.73 and 2,703,426.31
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Solution
The fourth proportional to 4,878,742.26, 6,732,657.73 and 2,703,426.31 is: 3,730,724.66
Step by Step Solution
- Step 1: Write the proportion equation
4,878,742.26 : 6,732,657.73 = 2,703,426.31 : x - Step 2: Convert to fraction form
4,878,742.26/6,732,657.73 = 2,703,426.31/x - Step 3: Cross multiply
4,878,742.26x = 6,732,657.73 × 2,703,426.31 - Step 4: Simplify right side
4,878,742.26x = 18,201,244,043,506.88 - Step 5: Solve for x
x = 18,201,244,043,506.88/4,878,742.26 - Step 6: Final answer
x = 3,730,724.66
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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.