Finding the Fourth Proportional to 1,655,340.15, 2,482,616.58 and 457,235.94
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Solution
The fourth proportional to 1,655,340.15, 2,482,616.58 and 457,235.94 is: 685,745.18
Step by Step Solution
- Step 1: Write the proportion equation
1,655,340.15 : 2,482,616.58 = 457,235.94 : x - Step 2: Convert to fraction form
1,655,340.15/2,482,616.58 = 457,235.94/x - Step 3: Cross multiply
1,655,340.15x = 2,482,616.58 × 457,235.94 - Step 4: Simplify right side
1,655,340.15x = 1,135,141,525,615.89 - Step 5: Solve for x
x = 1,135,141,525,615.89/1,655,340.15 - Step 6: Final answer
x = 685,745.18
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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.