Finding the Fourth Proportional to 1,613,405.18, 2,226,414.58 and 888,111.23
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Solution
The fourth proportional to 1,613,405.18, 2,226,414.58 and 888,111.23 is: 1,225,546.95
Step by Step Solution
- Step 1: Write the proportion equation
1,613,405.18 : 2,226,414.58 = 888,111.23 : x - Step 2: Convert to fraction form
1,613,405.18/2,226,414.58 = 888,111.23/x - Step 3: Cross multiply
1,613,405.18x = 2,226,414.58 × 888,111.23 - Step 4: Simplify right side
1,613,405.18x = 1,977,303,791,133.73 - Step 5: Solve for x
x = 1,977,303,791,133.73/1,613,405.18 - Step 6: Final answer
x = 1,225,546.95
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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.