Finding the Fourth Proportional to 1,770,684.68, 2,443,515.98 and 1,006,721.84
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Solution
The fourth proportional to 1,770,684.68, 2,443,515.98 and 1,006,721.84 is: 1,389,259.72
Step by Step Solution
- Step 1: Write the proportion equation
1,770,684.68 : 2,443,515.98 = 1,006,721.84 : x - Step 2: Convert to fraction form
1,770,684.68/2,443,515.98 = 1,006,721.84/x - Step 3: Cross multiply
1,770,684.68x = 2,443,515.98 × 1,006,721.84 - Step 4: Simplify right side
1,770,684.68x = 2,459,940,903,455.00 - Step 5: Solve for x
x = 2,459,940,903,455.00/1,770,684.68 - Step 6: Final answer
x = 1,389,259.72
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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.