Finding the Fourth Proportional to 6,129,743.74, 8,458,733.72 and 3,376,371.89
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Solution
The fourth proportional to 6,129,743.74, 8,458,733.72 and 3,376,371.89 is: 4,659,221.00
Step by Step Solution
- Step 1: Write the proportion equation
6,129,743.74 : 8,458,733.72 = 3,376,371.89 : x - Step 2: Convert to fraction form
6,129,743.74/8,458,733.72 = 3,376,371.89/x - Step 3: Cross multiply
6,129,743.74x = 8,458,733.72 × 3,376,371.89 - Step 4: Simplify right side
6,129,743.74x = 28,559,830,757,203.13 - Step 5: Solve for x
x = 28,559,830,757,203.13/6,129,743.74 - Step 6: Final answer
x = 4,659,221.00
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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.