Finding the Fourth Proportional to 2,181,811.68, 3,010,899.98 and 1,264,572.84
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Solution
The fourth proportional to 2,181,811.68, 3,010,899.98 and 1,264,572.84 is: 1,745,110.44
Step by Step Solution
- Step 1: Write the proportion equation
2,181,811.68 : 3,010,899.98 = 1,264,572.84 : x - Step 2: Convert to fraction form
2,181,811.68/3,010,899.98 = 1,264,572.84/x - Step 3: Cross multiply
2,181,811.68x = 3,010,899.98 × 1,264,572.84 - Step 4: Simplify right side
2,181,811.68x = 3,807,502,332,341.68 - Step 5: Solve for x
x = 3,807,502,332,341.68/2,181,811.68 - Step 6: Final answer
x = 1,745,110.44
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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.