Finding the Fourth Proportional to 1,921,579.95, 2,652,044.01 and 1,105,766.99
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Solution
The fourth proportional to 1,921,579.95, 2,652,044.01 and 1,105,766.99 is: 1,526,110.18
Step by Step Solution
- Step 1: Write the proportion equation
1,921,579.95 : 2,652,044.01 = 1,105,766.99 : x - Step 2: Convert to fraction form
1,921,579.95/2,652,044.01 = 1,105,766.99/x - Step 3: Cross multiply
1,921,579.95x = 2,652,044.01 × 1,105,766.99 - Step 4: Simplify right side
1,921,579.95x = 2,932,542,722,285.23 - Step 5: Solve for x
x = 2,932,542,722,285.23/1,921,579.95 - Step 6: Final answer
x = 1,526,110.18
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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.