Finding the Fourth Proportional to 3,813,922.71, 5,261,730 and 2,159,690.09
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Solution
The fourth proportional to 3,813,922.71, 5,261,730 and 2,159,690.09 is: 2,979,532.35
Step by Step Solution
- Step 1: Write the proportion equation
3,813,922.71 : 5,261,730 = 2,159,690.09 : x - Step 2: Convert to fraction form
3,813,922.71/5,261,730 = 2,159,690.09/x - Step 3: Cross multiply
3,813,922.71x = 5,261,730 × 2,159,690.09 - Step 4: Simplify right side
3,813,922.71x = 11,363,706,110,947.05 - Step 5: Solve for x
x = 11,363,706,110,947.05/3,813,922.71 - Step 6: Final answer
x = 2,979,532.35
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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.