Finding the Fourth Proportional to 5,981,763.60, 8,972,645.40 and 2,388,085.20
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Solution
The fourth proportional to 5,981,763.60, 8,972,645.40 and 2,388,085.20 is: 3,582,127.80
Step by Step Solution
- Step 1: Write the proportion equation
5,981,763.60 : 8,972,645.40 = 2,388,085.20 : x - Step 2: Convert to fraction form
5,981,763.60/8,972,645.40 = 2,388,085.20/x - Step 3: Cross multiply
5,981,763.60x = 8,972,645.40 × 2,388,085.20 - Step 4: Simplify right side
5,981,763.60x = 21,427,441,684,588.08 - Step 5: Solve for x
x = 21,427,441,684,588.08/5,981,763.60 - Step 6: Final answer
x = 3,582,127.80
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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.