Finding the Fourth Proportional to 3,972,547.40, 5,958,876.56 and 1,132,660.68
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Solution
The fourth proportional to 3,972,547.40, 5,958,876.56 and 1,132,660.68 is: 1,699,006.83
Step by Step Solution
- Step 1: Write the proportion equation
3,972,547.40 : 5,958,876.56 = 1,132,660.68 : x - Step 2: Convert to fraction form
3,972,547.40/5,958,876.56 = 1,132,660.68/x - Step 3: Cross multiply
3,972,547.40x = 5,958,876.56 × 1,132,660.68 - Step 4: Simplify right side
3,972,547.40x = 6,749,385,176,485.66 - Step 5: Solve for x
x = 6,749,385,176,485.66/3,972,547.40 - Step 6: Final answer
x = 1,699,006.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.