Finding the Fourth Proportional to 4,240,148.88, 6,357,654.74 and 1,902,758.70
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Solution
The fourth proportional to 4,240,148.88, 6,357,654.74 and 1,902,758.70 is: 2,852,985.40
Step by Step Solution
- Step 1: Write the proportion equation
4,240,148.88 : 6,357,654.74 = 1,902,758.70 : x - Step 2: Convert to fraction form
4,240,148.88/6,357,654.74 = 1,902,758.70/x - Step 3: Cross multiply
4,240,148.88x = 6,357,654.74 × 1,902,758.70 - Step 4: Simplify right side
4,240,148.88x = 12,097,082,868,131.24 - Step 5: Solve for x
x = 12,097,082,868,131.24/4,240,148.88 - Step 6: Final answer
x = 2,852,985.40
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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.