Finding the Fourth Proportional to 6,129,740.64, 8,458,729.45 and 3,376,368.80
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Solution
The fourth proportional to 6,129,740.64, 8,458,729.45 and 3,376,368.80 is: 4,659,216.74
Step by Step Solution
- Step 1: Write the proportion equation
6,129,740.64 : 8,458,729.45 = 3,376,368.80 : x - Step 2: Convert to fraction form
6,129,740.64/8,458,729.45 = 3,376,368.80/x - Step 3: Cross multiply
6,129,740.64x = 8,458,729.45 × 3,376,368.80 - Step 4: Simplify right side
6,129,740.64x = 28,559,790,202,621.16 - Step 5: Solve for x
x = 28,559,790,202,621.16/6,129,740.64 - Step 6: Final answer
x = 4,659,216.74
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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.