Finding the Fourth Proportional to 4,092,784.88, 6,138,130.14 and 1,213,478.44
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Solution
The fourth proportional to 4,092,784.88, 6,138,130.14 and 1,213,478.44 is: 1,819,907.18
Step by Step Solution
- Step 1: Write the proportion equation
4,092,784.88 : 6,138,130.14 = 1,213,478.44 : x - Step 2: Convert to fraction form
4,092,784.88/6,138,130.14 = 1,213,478.44/x - Step 3: Cross multiply
4,092,784.88x = 6,138,130.14 × 1,213,478.44 - Step 4: Simplify right side
4,092,784.88x = 7,448,488,586,804.18 - Step 5: Solve for x
x = 7,448,488,586,804.18/4,092,784.88 - Step 6: Final answer
x = 1,819,907.18
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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.