Finding the Fourth Proportional to 1,925,135.60, 2,656,706.79 and 1,065,677.40
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Solution
The fourth proportional to 1,925,135.60, 2,656,706.79 and 1,065,677.40 is: 1,470,645.70
Step by Step Solution
- Step 1: Write the proportion equation
1,925,135.60 : 2,656,706.79 = 1,065,677.40 : x - Step 2: Convert to fraction form
1,925,135.60/2,656,706.79 = 1,065,677.40/x - Step 3: Cross multiply
1,925,135.60x = 2,656,706.79 × 1,065,677.40 - Step 4: Simplify right side
1,925,135.60x = 2,831,192,384,529.55 - Step 5: Solve for x
x = 2,831,192,384,529.55/1,925,135.60 - Step 6: Final answer
x = 1,470,645.70
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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.