Finding the Fourth Proportional to 1,645,669.14, 2,467,616.10 and 746,620.30
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Solution
The fourth proportional to 1,645,669.14, 2,467,616.10 and 746,620.30 is: 1,119,527.75
Step by Step Solution
- Step 1: Write the proportion equation
1,645,669.14 : 2,467,616.10 = 746,620.30 : x - Step 2: Convert to fraction form
1,645,669.14/2,467,616.10 = 746,620.30/x - Step 3: Cross multiply
1,645,669.14x = 2,467,616.10 × 746,620.30 - Step 4: Simplify right side
1,645,669.14x = 1,842,372,272,866.83 - Step 5: Solve for x
x = 1,842,372,272,866.83/1,645,669.14 - Step 6: Final answer
x = 1,119,527.75
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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.