Finding the Fourth Proportional to 2,020,140.15, 2,787,852.56 and 1,102,428.44
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Solution
The fourth proportional to 2,020,140.15, 2,787,852.56 and 1,102,428.44 is: 1,521,383.53
Step by Step Solution
- Step 1: Write the proportion equation
2,020,140.15 : 2,787,852.56 = 1,102,428.44 : x - Step 2: Convert to fraction form
2,020,140.15/2,787,852.56 = 1,102,428.44/x - Step 3: Cross multiply
2,020,140.15x = 2,787,852.56 × 1,102,428.44 - Step 4: Simplify right side
2,020,140.15x = 3,073,407,948,670.81 - Step 5: Solve for x
x = 3,073,407,948,670.81/2,020,140.15 - Step 6: Final answer
x = 1,521,383.53
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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.