Finding the Fourth Proportional to 1,762,035.58, 2,431,414.09 and 977,081.76
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Solution
The fourth proportional to 1,762,035.58, 2,431,414.09 and 977,081.76 is: 1,348,264.69
Step by Step Solution
- Step 1: Write the proportion equation
1,762,035.58 : 2,431,414.09 = 977,081.76 : x - Step 2: Convert to fraction form
1,762,035.58/2,431,414.09 = 977,081.76/x - Step 3: Cross multiply
1,762,035.58x = 2,431,414.09 × 977,081.76 - Step 4: Simplify right side
1,762,035.58x = 2,375,690,358,346.00 - Step 5: Solve for x
x = 2,375,690,358,346.00/1,762,035.58 - Step 6: Final answer
x = 1,348,264.69
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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.