Finding the Fourth Proportional to 2,463,346.12, 3,399,287.68 and 1,390,189
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Solution
The fourth proportional to 2,463,346.12, 3,399,287.68 and 1,390,189 is: 1,918,387.47
Step by Step Solution
- Step 1: Write the proportion equation
2,463,346.12 : 3,399,287.68 = 1,390,189 : x - Step 2: Convert to fraction form
2,463,346.12/3,399,287.68 = 1,390,189/x - Step 3: Cross multiply
2,463,346.12x = 3,399,287.68 × 1,390,189 - Step 4: Simplify right side
2,463,346.12x = 4,725,652,340,571.52 - Step 5: Solve for x
x = 4,725,652,340,571.52/2,463,346.12 - Step 6: Final answer
x = 1,918,387.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.