Finding the Fourth Proportional to 1,781,823.40, 2,664,959.10 and 1,593,644.20
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Solution
The fourth proportional to 1,781,823.40, 2,664,959.10 and 1,593,644.20 is: 2,383,511.53
Step by Step Solution
- Step 1: Write the proportion equation
1,781,823.40 : 2,664,959.10 = 1,593,644.20 : x - Step 2: Convert to fraction form
1,781,823.40/2,664,959.10 = 1,593,644.20/x - Step 3: Cross multiply
1,781,823.40x = 2,664,959.10 × 1,593,644.20 - Step 4: Simplify right side
1,781,823.40x = 4,246,996,612,952.22 - Step 5: Solve for x
x = 4,246,996,612,952.22/1,781,823.40 - Step 6: Final answer
x = 2,383,511.53
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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.