Finding the Fourth Proportional to 3,184,521.12, 4,394,440.08 and 1,753,737.12
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Solution
The fourth proportional to 3,184,521.12, 4,394,440.08 and 1,753,737.12 is: 2,420,047.60
Step by Step Solution
- Step 1: Write the proportion equation
3,184,521.12 : 4,394,440.08 = 1,753,737.12 : x - Step 2: Convert to fraction form
3,184,521.12/4,394,440.08 = 1,753,737.12/x - Step 3: Cross multiply
3,184,521.12x = 4,394,440.08 × 1,753,737.12 - Step 4: Simplify right side
3,184,521.12x = 7,706,692,689,911.77 - Step 5: Solve for x
x = 7,706,692,689,911.77/3,184,521.12 - Step 6: Final answer
x = 2,420,047.60
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1.5x scale
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.