Finding the Fourth Proportional to 5,170,815.18, 7,136,019.27 and 3,106,462.14
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Solution
The fourth proportional to 5,170,815.18, 7,136,019.27 and 3,106,462.14 is: 4,287,094.57
Step by Step Solution
- Step 1: Write the proportion equation
5,170,815.18 : 7,136,019.27 = 3,106,462.14 : x - Step 2: Convert to fraction form
5,170,815.18/7,136,019.27 = 3,106,462.14/x - Step 3: Cross multiply
5,170,815.18x = 7,136,019.27 × 3,106,462.14 - Step 4: Simplify right side
5,170,815.18x = 22,167,773,692,565.44 - Step 5: Solve for x
x = 22,167,773,692,565.44/5,170,815.18 - Step 6: Final answer
x = 4,287,094.57
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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.