Finding the Fourth Proportional to 5,726,430.14, 7,902,624.48 and 3,148,175.84
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Solution
The fourth proportional to 5,726,430.14, 7,902,624.48 and 3,148,175.84 is: 4,344,565.61
Step by Step Solution
- Step 1: Write the proportion equation
5,726,430.14 : 7,902,624.48 = 3,148,175.84 : x - Step 2: Convert to fraction form
5,726,430.14/7,902,624.48 = 3,148,175.84/x - Step 3: Cross multiply
5,726,430.14x = 7,902,624.48 × 3,148,175.84 - Step 4: Simplify right side
5,726,430.14x = 24,878,851,460,528.56 - Step 5: Solve for x
x = 24,878,851,460,528.56/5,726,430.14 - Step 6: Final answer
x = 4,344,565.61
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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.