Finding the Fourth Proportional to 2,931,877.05, 4,391,828.60 and 1,508,943.75
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Solution
The fourth proportional to 2,931,877.05, 4,391,828.60 and 1,508,943.75 is: 2,260,334.32
Step by Step Solution
- Step 1: Write the proportion equation
2,931,877.05 : 4,391,828.60 = 1,508,943.75 : x - Step 2: Convert to fraction form
2,931,877.05/4,391,828.60 = 1,508,943.75/x - Step 3: Cross multiply
2,931,877.05x = 4,391,828.60 × 1,508,943.75 - Step 4: Simplify right side
2,931,877.05x = 6,627,022,309,496.53 - Step 5: Solve for x
x = 6,627,022,309,496.53/2,931,877.05 - Step 6: Final answer
x = 2,260,334.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.