Finding the Fourth Proportional to 3,458,382.12, 5,184,900.36 and 1,299,361.53
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Solution
The fourth proportional to 3,458,382.12, 5,184,900.36 and 1,299,361.53 is: 1,948,038.08
Step by Step Solution
- Step 1: Write the proportion equation
3,458,382.12 : 5,184,900.36 = 1,299,361.53 : x - Step 2: Convert to fraction form
3,458,382.12/5,184,900.36 = 1,299,361.53/x - Step 3: Cross multiply
3,458,382.12x = 5,184,900.36 × 1,299,361.53 - Step 4: Simplify right side
3,458,382.12x = 6,737,060,064,667.15 - Step 5: Solve for x
x = 6,737,060,064,667.15/3,458,382.12 - Step 6: Final answer
x = 1,948,038.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.