Finding the Fourth Proportional to 1,927,916.10, 2,660,524.47 and 1,068,531.84
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Solution
The fourth proportional to 1,927,916.10, 2,660,524.47 and 1,068,531.84 is: 1,474,574.08
Step by Step Solution
- Step 1: Write the proportion equation
1,927,916.10 : 2,660,524.47 = 1,068,531.84 : x - Step 2: Convert to fraction form
1,927,916.10/2,660,524.47 = 1,068,531.84/x - Step 3: Cross multiply
1,927,916.10x = 2,660,524.47 × 1,068,531.84 - Step 4: Simplify right side
1,927,916.10x = 2,842,855,107,294.13 - Step 5: Solve for x
x = 2,842,855,107,294.13/1,927,916.10 - Step 6: Final answer
x = 1,474,574.08
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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.