Finding the Fourth Proportional to 1,818,197.76, 2,508,556.80 and 1,054,098.80
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Solution
The fourth proportional to 1,818,197.76, 2,508,556.80 and 1,054,098.80 is: 1,454,333.94
Step by Step Solution
- Step 1: Write the proportion equation
1,818,197.76 : 2,508,556.80 = 1,054,098.80 : x - Step 2: Convert to fraction form
1,818,197.76/2,508,556.80 = 1,054,098.80/x - Step 3: Cross multiply
1,818,197.76x = 2,508,556.80 × 1,054,098.80 - Step 4: Simplify right side
1,818,197.76x = 2,644,266,712,611.84 - Step 5: Solve for x
x = 2,644,266,712,611.84/1,818,197.76 - Step 6: Final answer
x = 1,454,333.94
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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.