Finding the Fourth Proportional to 2,277,276.09, 3,140,605.61 and 1,889,477.65
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Solution
The fourth proportional to 2,277,276.09, 3,140,605.61 and 1,889,477.65 is: 2,605,790.38
Step by Step Solution
- Step 1: Write the proportion equation
2,277,276.09 : 3,140,605.61 = 1,889,477.65 : x - Step 2: Convert to fraction form
2,277,276.09/3,140,605.61 = 1,889,477.65/x - Step 3: Cross multiply
2,277,276.09x = 3,140,605.61 × 1,889,477.65 - Step 4: Simplify right side
2,277,276.09x = 5,934,104,109,123.53 - Step 5: Solve for x
x = 5,934,104,109,123.53/2,277,276.09 - Step 6: Final answer
x = 2,605,790.38
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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.