Finding the Fourth Proportional to 3,235,813.40, 4,465,417.16 and 1,785,507.68
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Solution
The fourth proportional to 3,235,813.40, 4,465,417.16 and 1,785,507.68 is: 2,463,997.66
Step by Step Solution
- Step 1: Write the proportion equation
3,235,813.40 : 4,465,417.16 = 1,785,507.68 : x - Step 2: Convert to fraction form
3,235,813.40/4,465,417.16 = 1,785,507.68/x - Step 3: Cross multiply
3,235,813.40x = 4,465,417.16 × 1,785,507.68 - Step 4: Simplify right side
3,235,813.40x = 7,973,036,633,583.79 - Step 5: Solve for x
x = 7,973,036,633,583.79/3,235,813.40 - Step 6: Final answer
x = 2,463,997.66
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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.