Finding the Fourth Proportional to 2,652,510.12, 3,660,464.01 and 1,445,286.12
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Solution
The fourth proportional to 2,652,510.12, 3,660,464.01 and 1,445,286.12 is: 1,994,494.87
Step by Step Solution
- Step 1: Write the proportion equation
2,652,510.12 : 3,660,464.01 = 1,445,286.12 : x - Step 2: Convert to fraction form
2,652,510.12/3,660,464.01 = 1,445,286.12/x - Step 3: Cross multiply
2,652,510.12x = 3,660,464.01 × 1,445,286.12 - Step 4: Simplify right side
2,652,510.12x = 5,290,417,826,412.54 - Step 5: Solve for x
x = 5,290,417,826,412.54/2,652,510.12 - Step 6: Final answer
x = 1,994,494.87
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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.