Finding the Fourth Proportional to 1,644,897.30, 2,467,345.95 and 1,581,911.70
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Solution
The fourth proportional to 1,644,897.30, 2,467,345.95 and 1,581,911.70 is: 2,372,867.55
Step by Step Solution
- Step 1: Write the proportion equation
1,644,897.30 : 2,467,345.95 = 1,581,911.70 : x - Step 2: Convert to fraction form
1,644,897.30/2,467,345.95 = 1,581,911.70/x - Step 3: Cross multiply
1,644,897.30x = 2,467,345.95 × 1,581,911.70 - Step 4: Simplify right side
1,644,897.30x = 3,903,123,426,252.62 - Step 5: Solve for x
x = 3,903,123,426,252.62/1,644,897.30 - Step 6: Final answer
x = 2,372,867.55
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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.