Finding the Fourth Proportional to 7,175,056.86, 10,762,625.48 and 1,783,707.09
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Solution
The fourth proportional to 7,175,056.86, 10,762,625.48 and 1,783,707.09 is: 2,675,570.63
Step by Step Solution
- Step 1: Write the proportion equation
7,175,056.86 : 10,762,625.48 = 1,783,707.09 : x - Step 2: Convert to fraction form
7,175,056.86/10,762,625.48 = 1,783,707.09/x - Step 3: Cross multiply
7,175,056.86x = 10,762,625.48 × 1,783,707.09 - Step 4: Simplify right side
7,175,056.86x = 19,197,371,375,690.66 - Step 5: Solve for x
x = 19,197,371,375,690.66/7,175,056.86 - Step 6: Final answer
x = 2,675,570.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.