Finding the Fourth Proportional to 1,571,858.70, 2,357,788.05 and 434,618.70
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Solution
The fourth proportional to 1,571,858.70, 2,357,788.05 and 434,618.70 is: 651,928.05
Step by Step Solution
- Step 1: Write the proportion equation
1,571,858.70 : 2,357,788.05 = 434,618.70 : x - Step 2: Convert to fraction form
1,571,858.70/2,357,788.05 = 434,618.70/x - Step 3: Cross multiply
1,571,858.70x = 2,357,788.05 × 434,618.70 - Step 4: Simplify right side
1,571,858.70x = 1,024,738,777,166.53 - Step 5: Solve for x
x = 1,024,738,777,166.53/1,571,858.70 - Step 6: Final answer
x = 651,928.05
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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.