Finding the Fourth Proportional to 7,762,766.36, 10,712,690.79 and 4,278,230.79
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Solution
The fourth proportional to 7,762,766.36, 10,712,690.79 and 4,278,230.79 is: 5,903,998.84
Step by Step Solution
- Step 1: Write the proportion equation
7,762,766.36 : 10,712,690.79 = 4,278,230.79 : x - Step 2: Convert to fraction form
7,762,766.36/10,712,690.79 = 4,278,230.79/x - Step 3: Cross multiply
7,762,766.36x = 10,712,690.79 × 4,278,230.79 - Step 4: Simplify right side
7,762,766.36x = 45,831,363,581,527.42 - Step 5: Solve for x
x = 45,831,363,581,527.42/7,762,766.36 - Step 6: Final answer
x = 5,903,998.84
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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.