Finding the Fourth Proportional to 1,865,651.94, 2,798,316.72 and 1,135,986.12
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Solution
The fourth proportional to 1,865,651.94, 2,798,316.72 and 1,135,986.12 is: 1,703,881.03
Step by Step Solution
- Step 1: Write the proportion equation
1,865,651.94 : 2,798,316.72 = 1,135,986.12 : x - Step 2: Convert to fraction form
1,865,651.94/2,798,316.72 = 1,135,986.12/x - Step 3: Cross multiply
1,865,651.94x = 2,798,316.72 × 1,135,986.12 - Step 4: Simplify right side
1,865,651.94x = 3,178,848,953,283.93 - Step 5: Solve for x
x = 3,178,848,953,283.93/1,865,651.94 - Step 6: Final answer
x = 1,703,881.03
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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.