Finding the Fourth Proportional to 4,121,775.10, 6,183,123.45 and 1,281,864.70
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Solution
The fourth proportional to 4,121,775.10, 6,183,123.45 and 1,281,864.70 is: 1,922,940.36
Step by Step Solution
- Step 1: Write the proportion equation
4,121,775.10 : 6,183,123.45 = 1,281,864.70 : x - Step 2: Convert to fraction form
4,121,775.10/6,183,123.45 = 1,281,864.70/x - Step 3: Cross multiply
4,121,775.10x = 6,183,123.45 × 1,281,864.70 - Step 4: Simplify right side
4,121,775.10x = 7,925,927,686,297.22 - Step 5: Solve for x
x = 7,925,927,686,297.22/4,121,775.10 - Step 6: Final answer
x = 1,922,940.36
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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.