Finding the Fourth Proportional to 1,705,952.02, 2,351,406.90 and 1,209,400.96
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Solution
The fourth proportional to 1,705,952.02, 2,351,406.90 and 1,209,400.96 is: 1,666,983.44
Step by Step Solution
- Step 1: Write the proportion equation
1,705,952.02 : 2,351,406.90 = 1,209,400.96 : x - Step 2: Convert to fraction form
1,705,952.02/2,351,406.90 = 1,209,400.96/x - Step 3: Cross multiply
1,705,952.02x = 2,351,406.90 × 1,209,400.96 - Step 4: Simplify right side
1,705,952.02x = 2,843,793,762,210.62 - Step 5: Solve for x
x = 2,843,793,762,210.62/1,705,952.02 - Step 6: Final answer
x = 1,666,983.44
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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.