Finding the Fourth Proportional to 1,569,788.40, 2,351,183.40 and 1,289,852.40
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Solution
The fourth proportional to 1,569,788.40, 2,351,183.40 and 1,289,852.40 is: 1,931,903.40
Step by Step Solution
- Step 1: Write the proportion equation
1,569,788.40 : 2,351,183.40 = 1,289,852.40 : x - Step 2: Convert to fraction form
1,569,788.40/2,351,183.40 = 1,289,852.40/x - Step 3: Cross multiply
1,569,788.40x = 2,351,183.40 × 1,289,852.40 - Step 4: Simplify right side
1,569,788.40x = 3,032,679,551,330.16 - Step 5: Solve for x
x = 3,032,679,551,330.16/1,569,788.40 - Step 6: Final answer
x = 1,931,903.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.