Finding the Fourth Proportional to 3,408,557.76, 4,705,514.24 and 2,119,813.34
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Solution
The fourth proportional to 3,408,557.76, 4,705,514.24 and 2,119,813.34 is: 2,926,402.46
Step by Step Solution
- Step 1: Write the proportion equation
3,408,557.76 : 4,705,514.24 = 2,119,813.34 : x - Step 2: Convert to fraction form
3,408,557.76/4,705,514.24 = 2,119,813.34/x - Step 3: Cross multiply
3,408,557.76x = 4,705,514.24 × 2,119,813.34 - Step 4: Simplify right side
3,408,557.76x = 9,974,811,823,385.32 - Step 5: Solve for x
x = 9,974,811,823,385.32/3,408,557.76 - Step 6: Final answer
x = 2,926,402.46
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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.