Finding the Fourth Proportional to 1,610,370.09, 2,415,555.81 and 756,815.31
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Solution
The fourth proportional to 1,610,370.09, 2,415,555.81 and 756,815.31 is: 1,135,223.28
Step by Step Solution
- Step 1: Write the proportion equation
1,610,370.09 : 2,415,555.81 = 756,815.31 : x - Step 2: Convert to fraction form
1,610,370.09/2,415,555.81 = 756,815.31/x - Step 3: Cross multiply
1,610,370.09x = 2,415,555.81 × 756,815.31 - Step 4: Simplify right side
1,610,370.09x = 1,828,129,619,167.45 - Step 5: Solve for x
x = 1,828,129,619,167.45/1,610,370.09 - Step 6: Final answer
x = 1,135,223.28
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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.