Finding the Fourth Proportional to 7,302,768.55, 10,076,833.42 and 4,163,437.19
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Solution
The fourth proportional to 7,302,768.55, 10,076,833.42 and 4,163,437.19 is: 5,744,980.52
Step by Step Solution
- Step 1: Write the proportion equation
7,302,768.55 : 10,076,833.42 = 4,163,437.19 : x - Step 2: Convert to fraction form
7,302,768.55/10,076,833.42 = 4,163,437.19/x - Step 3: Cross multiply
7,302,768.55x = 10,076,833.42 × 4,163,437.19 - Step 4: Simplify right side
7,302,768.55x = 41,954,263,033,046.38 - Step 5: Solve for x
x = 41,954,263,033,046.38/7,302,768.55 - Step 6: Final answer
x = 5,744,980.52
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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.