Finding the Fourth Proportional to 1,580,493.68, 2,181,086.84 and 855,341.18
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Solution
The fourth proportional to 1,580,493.68, 2,181,086.84 and 855,341.18 is: 1,180,373.84
Step by Step Solution
- Step 1: Write the proportion equation
1,580,493.68 : 2,181,086.84 = 855,341.18 : x - Step 2: Convert to fraction form
1,580,493.68/2,181,086.84 = 855,341.18/x - Step 3: Cross multiply
1,580,493.68x = 2,181,086.84 × 855,341.18 - Step 4: Simplify right side
1,580,493.68x = 1,865,573,391,408.07 - Step 5: Solve for x
x = 1,865,573,391,408.07/1,580,493.68 - Step 6: Final answer
x = 1,180,373.84
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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.