Finding the Fourth Proportional to 3,071,864.93, 4,239,275.40 and 1,676,502.96
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Solution
The fourth proportional to 3,071,864.93, 4,239,275.40 and 1,676,502.96 is: 2,313,629.65
Step by Step Solution
- Step 1: Write the proportion equation
3,071,864.93 : 4,239,275.40 = 1,676,502.96 : x - Step 2: Convert to fraction form
3,071,864.93/4,239,275.40 = 1,676,502.96/x - Step 3: Cross multiply
3,071,864.93x = 4,239,275.40 × 1,676,502.96 - Step 4: Simplify right side
3,071,864.93x = 7,107,157,756,355.19 - Step 5: Solve for x
x = 7,107,157,756,355.19/3,071,864.93 - Step 6: Final answer
x = 2,313,629.65
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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.