Finding the Fourth Proportional to 6,386,743.97, 8,812,390.97 and 3,669,965.09
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Solution
The fourth proportional to 6,386,743.97, 8,812,390.97 and 3,669,965.09 is: 5,063,795.79
Step by Step Solution
- Step 1: Write the proportion equation
6,386,743.97 : 8,812,390.97 = 3,669,965.09 : x - Step 2: Convert to fraction form
6,386,743.97/8,812,390.97 = 3,669,965.09/x - Step 3: Cross multiply
6,386,743.97x = 8,812,390.97 × 3,669,965.09 - Step 4: Simplify right side
6,386,743.97x = 32,341,167,184,444.20 - Step 5: Solve for x
x = 32,341,167,184,444.20/6,386,743.97 - Step 6: Final answer
x = 5,063,795.79
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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.