Finding the Fourth Proportional to 4,478,584.57, 6,717,881.51 and 1,112,791.57
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Solution
The fourth proportional to 4,478,584.57, 6,717,881.51 and 1,112,791.57 is: 1,669,188.51
Step by Step Solution
- Step 1: Write the proportion equation
4,478,584.57 : 6,717,881.51 = 1,112,791.57 : x - Step 2: Convert to fraction form
4,478,584.57/6,717,881.51 = 1,112,791.57/x - Step 3: Cross multiply
4,478,584.57x = 6,717,881.51 × 1,112,791.57 - Step 4: Simplify right side
4,478,584.57x = 7,475,601,894,401.18 - Step 5: Solve for x
x = 7,475,601,894,401.18/4,478,584.57 - Step 6: Final answer
x = 1,669,188.51
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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.