Finding the Fourth Proportional to 2,490,934.74, 3,437,474.67 and 1,403,556.54
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Solution
The fourth proportional to 2,490,934.74, 3,437,474.67 and 1,403,556.54 is: 1,936,899.42
Step by Step Solution
- Step 1: Write the proportion equation
2,490,934.74 : 3,437,474.67 = 1,403,556.54 : x - Step 2: Convert to fraction form
2,490,934.74/3,437,474.67 = 1,403,556.54/x - Step 3: Cross multiply
2,490,934.74x = 3,437,474.67 × 1,403,556.54 - Step 4: Simplify right side
2,490,934.74x = 4,824,690,054,162.84 - Step 5: Solve for x
x = 4,824,690,054,162.84/2,490,934.74 - Step 6: Final answer
x = 1,936,899.42
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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.