Finding the Fourth Proportional to 2,193,124.99, 3,023,536.12 and 1,538,862.07
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Solution
The fourth proportional to 2,193,124.99, 3,023,536.12 and 1,538,862.07 is: 2,121,541.21
Step by Step Solution
- Step 1: Write the proportion equation
2,193,124.99 : 3,023,536.12 = 1,538,862.07 : x - Step 2: Convert to fraction form
2,193,124.99/3,023,536.12 = 1,538,862.07/x - Step 3: Cross multiply
2,193,124.99x = 3,023,536.12 × 1,538,862.07 - Step 4: Simplify right side
2,193,124.99x = 4,652,805,052,342.97 - Step 5: Solve for x
x = 4,652,805,052,342.97/2,193,124.99 - Step 6: Final answer
x = 2,121,541.21
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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.