Finding the Fourth Proportional to 4,119,726.80, 6,180,173.40 and 1,279,542.80
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Solution
The fourth proportional to 4,119,726.80, 6,180,173.40 and 1,279,542.80 is: 1,919,495.34
Step by Step Solution
- Step 1: Write the proportion equation
4,119,726.80 : 6,180,173.40 = 1,279,542.80 : x - Step 2: Convert to fraction form
4,119,726.80/6,180,173.40 = 1,279,542.80/x - Step 3: Cross multiply
4,119,726.80x = 6,180,173.40 × 1,279,542.80 - Step 4: Simplify right side
4,119,726.80x = 7,907,796,376,721.52 - Step 5: Solve for x
x = 7,907,796,376,721.52/4,119,726.80 - Step 6: Final answer
x = 1,919,495.34
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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.