Finding the Fourth Proportional to 2,473,749.24, 3,412,998.06 and 1,385,873.40
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Solution
The fourth proportional to 2,473,749.24, 3,412,998.06 and 1,385,873.40 is: 1,912,070.61
Step by Step Solution
- Step 1: Write the proportion equation
2,473,749.24 : 3,412,998.06 = 1,385,873.40 : x - Step 2: Convert to fraction form
2,473,749.24/3,412,998.06 = 1,385,873.40/x - Step 3: Cross multiply
2,473,749.24x = 3,412,998.06 × 1,385,873.40 - Step 4: Simplify right side
2,473,749.24x = 4,729,983,225,605.60 - Step 5: Solve for x
x = 4,729,983,225,605.60/2,473,749.24 - Step 6: Final answer
x = 1,912,070.61
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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.