Finding the Fourth Proportional to 4,252,135.80, 6,378,203.70 and 1,556,548.95
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Solution
The fourth proportional to 4,252,135.80, 6,378,203.70 and 1,556,548.95 is: 2,334,823.43
Step by Step Solution
- Step 1: Write the proportion equation
4,252,135.80 : 6,378,203.70 = 1,556,548.95 : x - Step 2: Convert to fraction form
4,252,135.80/6,378,203.70 = 1,556,548.95/x - Step 3: Cross multiply
4,252,135.80x = 6,378,203.70 × 1,556,548.95 - Step 4: Simplify right side
4,252,135.80x = 9,927,986,272,121.12 - Step 5: Solve for x
x = 9,927,986,272,121.12/4,252,135.80 - Step 6: Final answer
x = 2,334,823.43
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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.