Finding the Fourth Proportional to 5,357,135.68, 7,392,901.49 and 2,909,794.48
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Solution
The fourth proportional to 5,357,135.68, 7,392,901.49 and 2,909,794.48 is: 4,015,545.85
Step by Step Solution
- Step 1: Write the proportion equation
5,357,135.68 : 7,392,901.49 = 2,909,794.48 : x - Step 2: Convert to fraction form
5,357,135.68/7,392,901.49 = 2,909,794.48/x - Step 3: Cross multiply
5,357,135.68x = 7,392,901.49 × 2,909,794.48 - Step 4: Simplify right side
5,357,135.68x = 21,511,823,946,785.78 - Step 5: Solve for x
x = 21,511,823,946,785.78/5,357,135.68 - Step 6: Final answer
x = 4,015,545.85
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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.