Finding the Fourth Proportional to 1,427,105.18, 2,140,546.10 and 402,394.08
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Solution
The fourth proportional to 1,427,105.18, 2,140,546.10 and 402,394.08 is: 603,559.63
Step by Step Solution
- Step 1: Write the proportion equation
1,427,105.18 : 2,140,546.10 = 402,394.08 : x - Step 2: Convert to fraction form
1,427,105.18/2,140,546.10 = 402,394.08/x - Step 3: Cross multiply
1,427,105.18x = 2,140,546.10 × 402,394.08 - Step 4: Simplify right side
1,427,105.18x = 861,343,072,581.59 - Step 5: Solve for x
x = 861,343,072,581.59/1,427,105.18 - Step 6: Final answer
x = 603,559.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.