Finding the Fourth Proportional to 2,124,405.80, 3,186,608.70 and 1,956,444.20
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Solution
The fourth proportional to 2,124,405.80, 3,186,608.70 and 1,956,444.20 is: 2,934,666.30
Step by Step Solution
- Step 1: Write the proportion equation
2,124,405.80 : 3,186,608.70 = 1,956,444.20 : x - Step 2: Convert to fraction form
2,124,405.80/3,186,608.70 = 1,956,444.20/x - Step 3: Cross multiply
2,124,405.80x = 3,186,608.70 × 1,956,444.20 - Step 4: Simplify right side
2,124,405.80x = 6,234,422,108,784.54 - Step 5: Solve for x
x = 6,234,422,108,784.54/2,124,405.80 - Step 6: Final answer
x = 2,934,666.30
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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.