Finding the Fourth Proportional to 1,628,125.10, 2,442,304.26 and 430,035.47
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Solution
The fourth proportional to 1,628,125.10, 2,442,304.26 and 430,035.47 is: 645,084.01
Step by Step Solution
- Step 1: Write the proportion equation
1,628,125.10 : 2,442,304.26 = 430,035.47 : x - Step 2: Convert to fraction form
1,628,125.10/2,442,304.26 = 430,035.47/x - Step 3: Cross multiply
1,628,125.10x = 2,442,304.26 × 430,035.47 - Step 4: Simplify right side
1,628,125.10x = 1,050,277,460,332.10 - Step 5: Solve for x
x = 1,050,277,460,332.10/1,628,125.10 - Step 6: Final answer
x = 645,084.01
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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.