Finding the Fourth Proportional to 1,693,853.13, 2,337,523.67 and 919,485.50
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Solution
The fourth proportional to 1,693,853.13, 2,337,523.67 and 919,485.50 is: 1,268,893.43
Step by Step Solution
- Step 1: Write the proportion equation
1,693,853.13 : 2,337,523.67 = 919,485.50 : x - Step 2: Convert to fraction form
1,693,853.13/2,337,523.67 = 919,485.50/x - Step 3: Cross multiply
1,693,853.13x = 2,337,523.67 × 919,485.50 - Step 4: Simplify right side
1,693,853.13x = 2,149,319,104,186.74 - Step 5: Solve for x
x = 2,149,319,104,186.74/1,693,853.13 - Step 6: Final answer
x = 1,268,893.43
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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.