Finding the Fourth Proportional to 4,971,127.86, 6,860,091.42 and 2,795,670.36
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Solution
The fourth proportional to 4,971,127.86, 6,860,091.42 and 2,795,670.36 is: 3,857,988.53
Step by Step Solution
- Step 1: Write the proportion equation
4,971,127.86 : 6,860,091.42 = 2,795,670.36 : x - Step 2: Convert to fraction form
4,971,127.86/6,860,091.42 = 2,795,670.36/x - Step 3: Cross multiply
4,971,127.86x = 6,860,091.42 × 2,795,670.36 - Step 4: Simplify right side
4,971,127.86x = 19,178,554,249,784.31 - Step 5: Solve for x
x = 19,178,554,249,784.31/4,971,127.86 - Step 6: Final answer
x = 3,857,988.53
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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.