Finding the Fourth Proportional to 1,655,184.63, 2,482,808.15 and 457,138.74
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Solution
The fourth proportional to 1,655,184.63, 2,482,808.15 and 457,138.74 is: 685,716.73
Step by Step Solution
- Step 1: Write the proportion equation
1,655,184.63 : 2,482,808.15 = 457,138.74 : x - Step 2: Convert to fraction form
1,655,184.63/2,482,808.15 = 457,138.74/x - Step 3: Cross multiply
1,655,184.63x = 2,482,808.15 × 457,138.74 - Step 4: Simplify right side
1,655,184.63x = 1,134,987,785,840.31 - Step 5: Solve for x
x = 1,134,987,785,840.31/1,655,184.63 - Step 6: Final answer
x = 685,716.73
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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.