Finding the Fourth Proportional to 4,390,564.40, 6,059,259.96 and 2,457,047.60
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Solution
The fourth proportional to 4,390,564.40, 6,059,259.96 and 2,457,047.60 is: 3,390,882.99
Step by Step Solution
- Step 1: Write the proportion equation
4,390,564.40 : 6,059,259.96 = 2,457,047.60 : x - Step 2: Convert to fraction form
4,390,564.40/6,059,259.96 = 2,457,047.60/x - Step 3: Cross multiply
4,390,564.40x = 6,059,259.96 × 2,457,047.60 - Step 4: Simplify right side
4,390,564.40x = 14,887,890,142,494.10 - Step 5: Solve for x
x = 14,887,890,142,494.10/4,390,564.40 - Step 6: Final answer
x = 3,390,882.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.