Finding the Fourth Proportional to 3,178,066.08, 4,385,781.10 and 1,727,767.06
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Solution
The fourth proportional to 3,178,066.08, 4,385,781.10 and 1,727,767.06 is: 2,384,345.67
Step by Step Solution
- Step 1: Write the proportion equation
3,178,066.08 : 4,385,781.10 = 1,727,767.06 : x - Step 2: Convert to fraction form
3,178,066.08/4,385,781.10 = 1,727,767.06/x - Step 3: Cross multiply
3,178,066.08x = 4,385,781.10 × 1,727,767.06 - Step 4: Simplify right side
3,178,066.08x = 7,577,608,098,427.13 - Step 5: Solve for x
x = 7,577,608,098,427.13/3,178,066.08 - Step 6: Final answer
x = 2,384,345.67
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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.