Finding the Fourth Proportional to 3,259,348.68, 4,497,867.30 and 1,809,056.76
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Solution
The fourth proportional to 3,259,348.68, 4,497,867.30 and 1,809,056.76 is: 2,496,479.53
Step by Step Solution
- Step 1: Write the proportion equation
3,259,348.68 : 4,497,867.30 = 1,809,056.76 : x - Step 2: Convert to fraction form
3,259,348.68/4,497,867.30 = 1,809,056.76/x - Step 3: Cross multiply
3,259,348.68x = 4,497,867.30 × 1,809,056.76 - Step 4: Simplify right side
3,259,348.68x = 8,136,897,244,647.95 - Step 5: Solve for x
x = 8,136,897,244,647.95/3,259,348.68 - Step 6: Final answer
x = 2,496,479.53
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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.