Finding the Fourth Proportional to 3,405,273.76, 5,106,407.90 and 975,875.68
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Solution
The fourth proportional to 3,405,273.76, 5,106,407.90 and 975,875.68 is: 1,463,382.87
Step by Step Solution
- Step 1: Write the proportion equation
3,405,273.76 : 5,106,407.90 = 975,875.68 : x - Step 2: Convert to fraction form
3,405,273.76/5,106,407.90 = 975,875.68/x - Step 3: Cross multiply
3,405,273.76x = 5,106,407.90 × 975,875.68 - Step 4: Simplify right side
3,405,273.76x = 4,983,219,281,769.87 - Step 5: Solve for x
x = 4,983,219,281,769.87/3,405,273.76 - Step 6: Final answer
x = 1,463,382.87
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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.