Finding the Fourth Proportional to 3,681,044.08, 5,520,901.29 and 1,285,573.81
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Solution
The fourth proportional to 3,681,044.08, 5,520,901.29 and 1,285,573.81 is: 1,928,128.53
Step by Step Solution
- Step 1: Write the proportion equation
3,681,044.08 : 5,520,901.29 = 1,285,573.81 : x - Step 2: Convert to fraction form
3,681,044.08/5,520,901.29 = 1,285,573.81/x - Step 3: Cross multiply
3,681,044.08x = 5,520,901.29 × 1,285,573.81 - Step 4: Simplify right side
3,681,044.08x = 7,097,526,106,019.22 - Step 5: Solve for x
x = 7,097,526,106,019.22/3,681,044.08 - Step 6: Final answer
x = 1,928,128.53
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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.