Finding the Fourth Proportional to 1,403,235.75, 2,106,036.63 and 550,905.99
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Solution
The fourth proportional to 1,403,235.75, 2,106,036.63 and 550,905.99 is: 826,823.43
Step by Step Solution
- Step 1: Write the proportion equation
1,403,235.75 : 2,106,036.63 = 550,905.99 : x - Step 2: Convert to fraction form
1,403,235.75/2,106,036.63 = 550,905.99/x - Step 3: Cross multiply
1,403,235.75x = 2,106,036.63 × 550,905.99 - Step 4: Simplify right side
1,403,235.75x = 1,160,228,194,626.41 - Step 5: Solve for x
x = 1,160,228,194,626.41/1,403,235.75 - Step 6: Final answer
x = 826,823.43
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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.