Finding the Fourth Proportional to 4,878,740.14, 6,732,654.80 and 2,703,424.19
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Solution
The fourth proportional to 4,878,740.14, 6,732,654.80 and 2,703,424.19 is: 3,730,721.72
Step by Step Solution
- Step 1: Write the proportion equation
4,878,740.14 : 6,732,654.80 = 2,703,424.19 : x - Step 2: Convert to fraction form
4,878,740.14/6,732,654.80 = 2,703,424.19/x - Step 3: Cross multiply
4,878,740.14x = 6,732,654.80 × 2,703,424.19 - Step 4: Simplify right side
4,878,740.14x = 18,201,221,802,059.22 - Step 5: Solve for x
x = 18,201,221,802,059.22/4,878,740.14 - Step 6: Final answer
x = 3,730,721.72
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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.