Finding the Fourth Proportional to 7,648,901.20, 11,474,734.20 and 3,852,830.80
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Solution
The fourth proportional to 7,648,901.20, 11,474,734.20 and 3,852,830.80 is: 5,779,942.53
Step by Step Solution
- Step 1: Write the proportion equation
7,648,901.20 : 11,474,734.20 = 3,852,830.80 : x - Step 2: Convert to fraction form
7,648,901.20/11,474,734.20 = 3,852,830.80/x - Step 3: Cross multiply
7,648,901.20x = 11,474,734.20 × 3,852,830.80 - Step 4: Simplify right side
7,648,901.20x = 44,210,209,347,573.35 - Step 5: Solve for x
x = 44,210,209,347,573.35/7,648,901.20 - Step 6: Final answer
x = 5,779,942.53
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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.