Finding the Fourth Proportional to 2,786,543.12, 3,845,471.64 and 1,563,119.84
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Solution
The fourth proportional to 2,786,543.12, 3,845,471.64 and 1,563,119.84 is: 2,157,129.01
Step by Step Solution
- Step 1: Write the proportion equation
2,786,543.12 : 3,845,471.64 = 1,563,119.84 : x - Step 2: Convert to fraction form
2,786,543.12/3,845,471.64 = 1,563,119.84/x - Step 3: Cross multiply
2,786,543.12x = 3,845,471.64 × 1,563,119.84 - Step 4: Simplify right side
2,786,543.12x = 6,010,933,014,641.34 - Step 5: Solve for x
x = 6,010,933,014,641.34/2,786,543.12 - Step 6: Final answer
x = 2,157,129.01
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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.