Finding the Fourth Proportional to 1,542,875.02, 2,128,672.22 and 999,427.38
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Solution
The fourth proportional to 1,542,875.02, 2,128,672.22 and 999,427.38 is: 1,378,888.94
Step by Step Solution
- Step 1: Write the proportion equation
1,542,875.02 : 2,128,672.22 = 999,427.38 : x - Step 2: Convert to fraction form
1,542,875.02/2,128,672.22 = 999,427.38/x - Step 3: Cross multiply
1,542,875.02x = 2,128,672.22 × 999,427.38 - Step 4: Simplify right side
1,542,875.02x = 2,127,453,299,713.38 - Step 5: Solve for x
x = 2,127,453,299,713.38/1,542,875.02 - Step 6: Final answer
x = 1,378,888.94
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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.