Finding the Fourth Proportional to 3,828,868.47, 5,743,237.91 and 1,133,178.75
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Solution
The fourth proportional to 3,828,868.47, 5,743,237.91 and 1,133,178.75 is: 1,699,748.95
Step by Step Solution
- Step 1: Write the proportion equation
3,828,868.47 : 5,743,237.91 = 1,133,178.75 : x - Step 2: Convert to fraction form
3,828,868.47/5,743,237.91 = 1,133,178.75/x - Step 3: Cross multiply
3,828,868.47x = 5,743,237.91 × 1,133,178.75 - Step 4: Simplify right side
3,828,868.47x = 6,508,115,150,140.52 - Step 5: Solve for x
x = 6,508,115,150,140.52/3,828,868.47 - Step 6: Final answer
x = 1,699,748.95
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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.