Finding the Fourth Proportional to 4,326,418.88, 5,970,307.68 and 2,490,816.32
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Solution
The fourth proportional to 4,326,418.88, 5,970,307.68 and 2,490,816.32 is: 3,437,239.95
Step by Step Solution
- Step 1: Write the proportion equation
4,326,418.88 : 5,970,307.68 = 2,490,816.32 : x - Step 2: Convert to fraction form
4,326,418.88/5,970,307.68 = 2,490,816.32/x - Step 3: Cross multiply
4,326,418.88x = 5,970,307.68 × 2,490,816.32 - Step 4: Simplify right side
4,326,418.88x = 14,870,939,804,765.34 - Step 5: Solve for x
x = 14,870,939,804,765.34/4,326,418.88 - Step 6: Final answer
x = 3,437,239.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.