Finding the Fourth Proportional to 1,677,502.45, 2,516,253.68 and 415,330.09
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Solution
The fourth proportional to 1,677,502.45, 2,516,253.68 and 415,330.09 is: 622,995.14
Step by Step Solution
- Step 1: Write the proportion equation
1,677,502.45 : 2,516,253.68 = 415,330.09 : x - Step 2: Convert to fraction form
1,677,502.45/2,516,253.68 = 415,330.09/x - Step 3: Cross multiply
1,677,502.45x = 2,516,253.68 × 415,330.09 - Step 4: Simplify right side
1,677,502.45x = 1,045,075,867,377.23 - Step 5: Solve for x
x = 1,045,075,867,377.23/1,677,502.45 - Step 6: Final answer
x = 622,995.14
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1.5x scale
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.