Finding the Fourth Proportional to 1,552,391.96, 2,141,592.90 and 1,121,990.36
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Solution
The fourth proportional to 1,552,391.96, 2,141,592.90 and 1,121,990.36 is: 1,547,834.99
Step by Step Solution
- Step 1: Write the proportion equation
1,552,391.96 : 2,141,592.90 = 1,121,990.36 : x - Step 2: Convert to fraction form
1,552,391.96/2,141,592.90 = 1,121,990.36/x - Step 3: Cross multiply
1,552,391.96x = 2,141,592.90 × 1,121,990.36 - Step 4: Simplify right side
1,552,391.96x = 2,402,846,588,844.44 - Step 5: Solve for x
x = 2,402,846,588,844.44/1,552,391.96 - Step 6: Final answer
x = 1,547,834.99
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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.