Finding the Fourth Proportional to 1,707,242.23, 2,356,485.18 and 1,126,888.97
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Solution
The fourth proportional to 1,707,242.23, 2,356,485.18 and 1,126,888.97 is: 1,555,430.81
Step by Step Solution
- Step 1: Write the proportion equation
1,707,242.23 : 2,356,485.18 = 1,126,888.97 : x - Step 2: Convert to fraction form
1,707,242.23/2,356,485.18 = 1,126,888.97/x - Step 3: Cross multiply
1,707,242.23x = 2,356,485.18 × 1,126,888.97 - Step 4: Simplify right side
1,707,242.23x = 2,655,497,157,310.47 - Step 5: Solve for x
x = 2,655,497,157,310.47/1,707,242.23 - Step 6: Final answer
x = 1,555,430.81
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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.