Finding the Fourth Proportional to 2,130,913.96, 2,940,750.66 and 1,225,496.68
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Solution
The fourth proportional to 2,130,913.96, 2,940,750.66 and 1,225,496.68 is: 1,691,236.83
Step by Step Solution
- Step 1: Write the proportion equation
2,130,913.96 : 2,940,750.66 = 1,225,496.68 : x - Step 2: Convert to fraction form
2,130,913.96/2,940,750.66 = 1,225,496.68/x - Step 3: Cross multiply
2,130,913.96x = 2,940,750.66 × 1,225,496.68 - Step 4: Simplify right side
2,130,913.96x = 3,603,880,170,537.81 - Step 5: Solve for x
x = 3,603,880,170,537.81/2,130,913.96 - Step 6: Final answer
x = 1,691,236.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.