Finding the Fourth Proportional to 5,256,529.20, 7,872,352.20 and 3,564,471.60
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Solution
The fourth proportional to 5,256,529.20, 7,872,352.20 and 3,564,471.60 is: 5,338,270.71
Step by Step Solution
- Step 1: Write the proportion equation
5,256,529.20 : 7,872,352.20 = 3,564,471.60 : x - Step 2: Convert to fraction form
5,256,529.20/7,872,352.20 = 3,564,471.60/x - Step 3: Cross multiply
5,256,529.20x = 7,872,352.20 × 3,564,471.60 - Step 4: Simplify right side
5,256,529.20x = 28,060,775,842,097.52 - Step 5: Solve for x
x = 28,060,775,842,097.52/5,256,529.20 - Step 6: Final answer
x = 5,338,270.71
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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.