Finding the Fourth Proportional to 1,787,495.18, 2,466,691.49 and 1,013,197.40
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Solution
The fourth proportional to 1,787,495.18, 2,466,691.49 and 1,013,197.40 is: 1,398,183.02
Step by Step Solution
- Step 1: Write the proportion equation
1,787,495.18 : 2,466,691.49 = 1,013,197.40 : x - Step 2: Convert to fraction form
1,787,495.18/2,466,691.49 = 1,013,197.40/x - Step 3: Cross multiply
1,787,495.18x = 2,466,691.49 × 1,013,197.40 - Step 4: Simplify right side
1,787,495.18x = 2,499,245,404,270.13 - Step 5: Solve for x
x = 2,499,245,404,270.13/1,787,495.18 - Step 6: Final answer
x = 1,398,183.02
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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.