Finding the Fourth Proportional to 2,316,864.20, 3,478,406.70 and 1,479,129.80
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Solution
The fourth proportional to 2,316,864.20, 3,478,406.70 and 1,479,129.80 is: 2,220,680.44
Step by Step Solution
- Step 1: Write the proportion equation
2,316,864.20 : 3,478,406.70 = 1,479,129.80 : x - Step 2: Convert to fraction form
2,316,864.20/3,478,406.70 = 1,479,129.80/x - Step 3: Cross multiply
2,316,864.20x = 3,478,406.70 × 1,479,129.80 - Step 4: Simplify right side
2,316,864.20x = 5,145,015,006,489.66 - Step 5: Solve for x
x = 5,145,015,006,489.66/2,316,864.20 - Step 6: Final answer
x = 2,220,680.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.