Finding the Fourth Proportional to 4,620,416.65, 6,930,636.75 and 1,887,964.13
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Solution
The fourth proportional to 4,620,416.65, 6,930,636.75 and 1,887,964.13 is: 2,831,951.01
Step by Step Solution
- Step 1: Write the proportion equation
4,620,416.65 : 6,930,636.75 = 1,887,964.13 : x - Step 2: Convert to fraction form
4,620,416.65/6,930,636.75 = 1,887,964.13/x - Step 3: Cross multiply
4,620,416.65x = 6,930,636.75 × 1,887,964.13 - Step 4: Simplify right side
4,620,416.65x = 13,084,793,599,386.37 - Step 5: Solve for x
x = 13,084,793,599,386.37/4,620,416.65 - Step 6: Final answer
x = 2,831,951.01
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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.