Finding the Fourth Proportional to 2,866,881.76, 3,956,217.33 and 1,626,717.90
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Solution
The fourth proportional to 2,866,881.76, 3,956,217.33 and 1,626,717.90 is: 2,244,825.59
Step by Step Solution
- Step 1: Write the proportion equation
2,866,881.76 : 3,956,217.33 = 1,626,717.90 : x - Step 2: Convert to fraction form
2,866,881.76/3,956,217.33 = 1,626,717.90/x - Step 3: Cross multiply
2,866,881.76x = 3,956,217.33 × 1,626,717.90 - Step 4: Simplify right side
2,866,881.76x = 6,435,649,547,001.21 - Step 5: Solve for x
x = 6,435,649,547,001.21/2,866,881.76 - Step 6: Final answer
x = 2,244,825.59
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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.