Finding the Fourth Proportional to 3,603,518.97, 4,972,856.66 and 1,971,926.68
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Solution
The fourth proportional to 3,603,518.97, 4,972,856.66 and 1,971,926.68 is: 2,721,259.08
Step by Step Solution
- Step 1: Write the proportion equation
3,603,518.97 : 4,972,856.66 = 1,971,926.68 : x - Step 2: Convert to fraction form
3,603,518.97/4,972,856.66 = 1,971,926.68/x - Step 3: Cross multiply
3,603,518.97x = 4,972,856.66 × 1,971,926.68 - Step 4: Simplify right side
3,603,518.97x = 9,806,108,716,167.36 - Step 5: Solve for x
x = 9,806,108,716,167.36/3,603,518.97 - Step 6: Final answer
x = 2,721,259.08
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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.