Finding the Fourth Proportional to 2,631,778.98, 3,632,430.87 and 1,666,196.70
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Solution
The fourth proportional to 2,631,778.98, 3,632,430.87 and 1,666,196.70 is: 2,299,716.04
Step by Step Solution
- Step 1: Write the proportion equation
2,631,778.98 : 3,632,430.87 = 1,666,196.70 : x - Step 2: Convert to fraction form
2,631,778.98/3,632,430.87 = 1,666,196.70/x - Step 3: Cross multiply
2,631,778.98x = 3,632,430.87 × 1,666,196.70 - Step 4: Simplify right side
2,631,778.98x = 6,052,344,328,572.13 - Step 5: Solve for x
x = 6,052,344,328,572.13/2,631,778.98 - Step 6: Final answer
x = 2,299,716.04
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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.