Finding the Fourth Proportional to 3,369,828.42, 4,649,820.19 and 1,919,552.18
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Solution
The fourth proportional to 3,369,828.42, 4,649,820.19 and 1,919,552.18 is: 2,648,672.67
Step by Step Solution
- Step 1: Write the proportion equation
3,369,828.42 : 4,649,820.19 = 1,919,552.18 : x - Step 2: Convert to fraction form
3,369,828.42/4,649,820.19 = 1,919,552.18/x - Step 3: Cross multiply
3,369,828.42x = 4,649,820.19 × 1,919,552.18 - Step 4: Simplify right side
3,369,828.42x = 8,925,572,454,274.53 - Step 5: Solve for x
x = 8,925,572,454,274.53/3,369,828.42 - Step 6: Final answer
x = 2,648,672.67
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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.