Finding the Fourth Proportional to 4,819,596.12, 7,224,799.62 and 1,623,077.40
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Solution
The fourth proportional to 4,819,596.12, 7,224,799.62 and 1,623,077.40 is: 2,433,068.81
Step by Step Solution
- Step 1: Write the proportion equation
4,819,596.12 : 7,224,799.62 = 1,623,077.40 : x - Step 2: Convert to fraction form
4,819,596.12/7,224,799.62 = 1,623,077.40/x - Step 3: Cross multiply
4,819,596.12x = 7,224,799.62 × 1,623,077.40 - Step 4: Simplify right side
4,819,596.12x = 11,726,408,982,750.59 - Step 5: Solve for x
x = 11,726,408,982,750.59/4,819,596.12 - Step 6: Final answer
x = 2,433,068.81
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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.