Finding the Fourth Proportional to 2,210,911.74, 3,311,053.07 and 1,261,403.82
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Solution
The fourth proportional to 2,210,911.74, 3,311,053.07 and 1,261,403.82 is: 1,889,073.59
Step by Step Solution
- Step 1: Write the proportion equation
2,210,911.74 : 3,311,053.07 = 1,261,403.82 : x - Step 2: Convert to fraction form
2,210,911.74/3,311,053.07 = 1,261,403.82/x - Step 3: Cross multiply
2,210,911.74x = 3,311,053.07 × 1,261,403.82 - Step 4: Simplify right side
2,210,911.74x = 4,176,574,984,413.71 - Step 5: Solve for x
x = 4,176,574,984,413.71/2,210,911.74 - Step 6: Final answer
x = 1,889,073.59
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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.