Finding the Fourth Proportional to 4,798,412.96, 7,197,619.46 and 1,603,539.14
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Solution
The fourth proportional to 4,798,412.96, 7,197,619.46 and 1,603,539.14 is: 2,405,308.71
Step by Step Solution
- Step 1: Write the proportion equation
4,798,412.96 : 7,197,619.46 = 1,603,539.14 : x - Step 2: Convert to fraction form
4,798,412.96/7,197,619.46 = 1,603,539.14/x - Step 3: Cross multiply
4,798,412.96x = 7,197,619.46 × 1,603,539.14 - Step 4: Simplify right side
4,798,412.96x = 11,541,664,474,929.87 - Step 5: Solve for x
x = 11,541,664,474,929.87/4,798,412.96 - Step 6: Final answer
x = 2,405,308.71
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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.