Finding the Fourth Proportional to 1,581,560.91, 2,182,564.45 and 856,408.68
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Solution
The fourth proportional to 1,581,560.91, 2,182,564.45 and 856,408.68 is: 1,181,849.61
Step by Step Solution
- Step 1: Write the proportion equation
1,581,560.91 : 2,182,564.45 = 856,408.68 : x - Step 2: Convert to fraction form
1,581,560.91/2,182,564.45 = 856,408.68/x - Step 3: Cross multiply
1,581,560.91x = 2,182,564.45 × 856,408.68 - Step 4: Simplify right side
1,581,560.91x = 1,869,167,142,954.82 - Step 5: Solve for x
x = 1,869,167,142,954.82/1,581,560.91 - Step 6: Final answer
x = 1,181,849.61
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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.