Finding the Fourth Proportional to 3,572,385.93, 5,358,361.68 and 1,266,993.09
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Solution
The fourth proportional to 3,572,385.93, 5,358,361.68 and 1,266,993.09 is: 1,900,412.60
Step by Step Solution
- Step 1: Write the proportion equation
3,572,385.93 : 5,358,361.68 = 1,266,993.09 : x - Step 2: Convert to fraction form
3,572,385.93/5,358,361.68 = 1,266,993.09/x - Step 3: Cross multiply
3,572,385.93x = 5,358,361.68 × 1,266,993.09 - Step 4: Simplify right side
3,572,385.93x = 6,789,007,222,280.79 - Step 5: Solve for x
x = 6,789,007,222,280.79/3,572,385.93 - Step 6: Final answer
x = 1,900,412.60
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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.