Finding the Fourth Proportional to 4,948,728.75, 7,421,272.42 and 1,709,442.13
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Solution
The fourth proportional to 4,948,728.75, 7,421,272.42 and 1,709,442.13 is: 2,563,534.27
Step by Step Solution
- Step 1: Write the proportion equation
4,948,728.75 : 7,421,272.42 = 1,709,442.13 : x - Step 2: Convert to fraction form
4,948,728.75/7,421,272.42 = 1,709,442.13/x - Step 3: Cross multiply
4,948,728.75x = 7,421,272.42 × 1,709,442.13 - Step 4: Simplify right side
4,948,728.75x = 12,686,235,728,681.45 - Step 5: Solve for x
x = 12,686,235,728,681.45/4,948,728.75 - Step 6: Final answer
x = 2,563,534.27
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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.