Finding the Fourth Proportional to 1,745,402.88, 2,408,670.36 and 981,449.76
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Solution
The fourth proportional to 1,745,402.88, 2,408,670.36 and 981,449.76 is: 1,354,408.76
Step by Step Solution
- Step 1: Write the proportion equation
1,745,402.88 : 2,408,670.36 = 981,449.76 : x - Step 2: Convert to fraction form
1,745,402.88/2,408,670.36 = 981,449.76/x - Step 3: Cross multiply
1,745,402.88x = 2,408,670.36 × 981,449.76 - Step 4: Simplify right side
1,745,402.88x = 2,363,988,946,741.11 - Step 5: Solve for x
x = 2,363,988,946,741.11/1,745,402.88 - Step 6: Final answer
x = 1,354,408.76
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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.