Finding the Fourth Proportional to 7,023,331.92, 10,534,998.24 and 1,974,642.24
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Solution
The fourth proportional to 7,023,331.92, 10,534,998.24 and 1,974,642.24 is: 2,961,963.46
Step by Step Solution
- Step 1: Write the proportion equation
7,023,331.92 : 10,534,998.24 = 1,974,642.24 : x - Step 2: Convert to fraction form
7,023,331.92/10,534,998.24 = 1,974,642.24/x - Step 3: Cross multiply
7,023,331.92x = 10,534,998.24 × 1,974,642.24 - Step 4: Simplify right side
7,023,331.92x = 20,802,852,523,029.66 - Step 5: Solve for x
x = 20,802,852,523,029.66/7,023,331.92 - Step 6: Final answer
x = 2,961,963.46
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1.5x scale
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.