Finding the Fourth Proportional to 1,364,887.80, 1,884,149.12 and 881,688.52
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Solution
The fourth proportional to 1,364,887.80, 1,884,149.12 and 881,688.52 is: 1,217,120.30
Step by Step Solution
- Step 1: Write the proportion equation
1,364,887.80 : 1,884,149.12 = 881,688.52 : x - Step 2: Convert to fraction form
1,364,887.80/1,884,149.12 = 881,688.52/x - Step 3: Cross multiply
1,364,887.80x = 1,884,149.12 × 881,688.52 - Step 4: Simplify right side
1,364,887.80x = 1,661,232,649,072.10 - Step 5: Solve for x
x = 1,661,232,649,072.10/1,364,887.80 - Step 6: Final answer
x = 1,217,120.30
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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.