Finding the Fourth Proportional to 2,587,948.20, 3,881,922.30 and 2,440,981.80
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Solution
The fourth proportional to 2,587,948.20, 3,881,922.30 and 2,440,981.80 is: 3,661,472.70
Step by Step Solution
- Step 1: Write the proportion equation
2,587,948.20 : 3,881,922.30 = 2,440,981.80 : x - Step 2: Convert to fraction form
2,587,948.20/3,881,922.30 = 2,440,981.80/x - Step 3: Cross multiply
2,587,948.20x = 3,881,922.30 × 2,440,981.80 - Step 4: Simplify right side
2,587,948.20x = 9,475,701,683,314.14 - Step 5: Solve for x
x = 9,475,701,683,314.14/2,587,948.20 - Step 6: Final answer
x = 3,661,472.70
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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.