Finding the Fourth Proportional to 4,921,502.64, 6,791,692.40 and 2,746,137.48
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Solution
The fourth proportional to 4,921,502.64, 6,791,692.40 and 2,746,137.48 is: 3,789,680.19
Step by Step Solution
- Step 1: Write the proportion equation
4,921,502.64 : 6,791,692.40 = 2,746,137.48 : x - Step 2: Convert to fraction form
4,921,502.64/6,791,692.40 = 2,746,137.48/x - Step 3: Cross multiply
4,921,502.64x = 6,791,692.40 × 2,746,137.48 - Step 4: Simplify right side
4,921,502.64x = 18,650,921,052,271.15 - Step 5: Solve for x
x = 18,650,921,052,271.15/4,921,502.64 - Step 6: Final answer
x = 3,789,680.19
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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.