Finding the Fourth Proportional to 3,066,974.48, 4,232,442.12 and 1,778,579.84
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Solution
The fourth proportional to 3,066,974.48, 4,232,442.12 and 1,778,579.84 is: 2,454,450.23
Step by Step Solution
- Step 1: Write the proportion equation
3,066,974.48 : 4,232,442.12 = 1,778,579.84 : x - Step 2: Convert to fraction form
3,066,974.48/4,232,442.12 = 1,778,579.84/x - Step 3: Cross multiply
3,066,974.48x = 4,232,442.12 × 1,778,579.84 - Step 4: Simplify right side
3,066,974.48x = 7,527,736,228,598.86 - Step 5: Solve for x
x = 7,527,736,228,598.86/3,066,974.48 - Step 6: Final answer
x = 2,454,450.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.