Finding the Fourth Proportional to 4,538,745.08, 6,809,126.90 and 1,980,374.68
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Solution
The fourth proportional to 4,538,745.08, 6,809,126.90 and 1,980,374.68 is: 2,971,002.40
Step by Step Solution
- Step 1: Write the proportion equation
4,538,745.08 : 6,809,126.90 = 1,980,374.68 : x - Step 2: Convert to fraction form
4,538,745.08/6,809,126.90 = 1,980,374.68/x - Step 3: Cross multiply
4,538,745.08x = 6,809,126.90 × 1,980,374.68 - Step 4: Simplify right side
4,538,745.08x = 13,484,622,505,666.89 - Step 5: Solve for x
x = 13,484,622,505,666.89/4,538,745.08 - Step 6: Final answer
x = 2,971,002.40
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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.