Finding the Fourth Proportional to 6,119,858.63, 8,445,358.20 and 3,366,486.77
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Solution
The fourth proportional to 6,119,858.63, 8,445,358.20 and 3,366,486.77 is: 4,645,726.05
Step by Step Solution
- Step 1: Write the proportion equation
6,119,858.63 : 8,445,358.20 = 3,366,486.77 : x - Step 2: Convert to fraction form
6,119,858.63/8,445,358.20 = 3,366,486.77/x - Step 3: Cross multiply
6,119,858.63x = 8,445,358.20 × 3,366,486.77 - Step 4: Simplify right side
6,119,858.63x = 28,431,186,648,211.01 - Step 5: Solve for x
x = 28,431,186,648,211.01/6,119,858.63 - Step 6: Final answer
x = 4,645,726.05
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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.