Finding the Fourth Proportional to 4,302,879.12, 6,450,309.12 and 1,461,047.52
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Solution
The fourth proportional to 4,302,879.12, 6,450,309.12 and 1,461,047.52 is: 2,190,209.83
Step by Step Solution
- Step 1: Write the proportion equation
4,302,879.12 : 6,450,309.12 = 1,461,047.52 : x - Step 2: Convert to fraction form
4,302,879.12/6,450,309.12 = 1,461,047.52/x - Step 3: Cross multiply
4,302,879.12x = 6,450,309.12 × 1,461,047.52 - Step 4: Simplify right side
4,302,879.12x = 9,424,208,143,009.38 - Step 5: Solve for x
x = 9,424,208,143,009.38/4,302,879.12 - Step 6: Final answer
x = 2,190,209.83
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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.