Finding the Fourth Proportional to 2,812,851.92, 3,880,948.15 and 1,766,385.99
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Solution
The fourth proportional to 2,812,851.92, 3,880,948.15 and 1,766,385.99 is: 2,437,118.14
Step by Step Solution
- Step 1: Write the proportion equation
2,812,851.92 : 3,880,948.15 = 1,766,385.99 : x - Step 2: Convert to fraction form
2,812,851.92/3,880,948.15 = 1,766,385.99/x - Step 3: Cross multiply
2,812,851.92x = 3,880,948.15 × 1,766,385.99 - Step 4: Simplify right side
2,812,851.92x = 6,855,252,440,076.42 - Step 5: Solve for x
x = 6,855,252,440,076.42/2,812,851.92 - Step 6: Final answer
x = 2,437,118.14
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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.