Finding the Fourth Proportional to 1,523,328.68, 2,102,112.66 and 878,710.52
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Solution
The fourth proportional to 1,523,328.68, 2,102,112.66 and 878,710.52 is: 1,212,573.84
Step by Step Solution
- Step 1: Write the proportion equation
1,523,328.68 : 2,102,112.66 = 878,710.52 : x - Step 2: Convert to fraction form
1,523,328.68/2,102,112.66 = 878,710.52/x - Step 3: Cross multiply
1,523,328.68x = 2,102,112.66 × 878,710.52 - Step 4: Simplify right side
1,523,328.68x = 1,847,148,508,567.18 - Step 5: Solve for x
x = 1,847,148,508,567.18/1,523,328.68 - Step 6: Final answer
x = 1,212,573.84
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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.