Finding the Fourth Proportional to 3,125,206.08, 4,688,507.04 and 1,328,146.56
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Solution
The fourth proportional to 3,125,206.08, 4,688,507.04 and 1,328,146.56 is: 1,992,516.44
Step by Step Solution
- Step 1: Write the proportion equation
3,125,206.08 : 4,688,507.04 = 1,328,146.56 : x - Step 2: Convert to fraction form
3,125,206.08/4,688,507.04 = 1,328,146.56/x - Step 3: Cross multiply
3,125,206.08x = 4,688,507.04 × 1,328,146.56 - Step 4: Simplify right side
3,125,206.08x = 6,227,024,496,711.78 - Step 5: Solve for x
x = 6,227,024,496,711.78/3,125,206.08 - Step 6: Final answer
x = 1,992,516.44
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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.