Finding the Fourth Proportional to 3,745,967.66, 5,619,197.73 and 1,316,826.26
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Solution
The fourth proportional to 3,745,967.66, 5,619,197.73 and 1,316,826.26 is: 1,975,325.95
Step by Step Solution
- Step 1: Write the proportion equation
3,745,967.66 : 5,619,197.73 = 1,316,826.26 : x - Step 2: Convert to fraction form
3,745,967.66/5,619,197.73 = 1,316,826.26/x - Step 3: Cross multiply
3,745,967.66x = 5,619,197.73 × 1,316,826.26 - Step 4: Simplify right side
3,745,967.66x = 7,399,507,130,996.39 - Step 5: Solve for x
x = 7,399,507,130,996.39/3,745,967.66 - Step 6: Final answer
x = 1,975,325.95
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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.