Finding the Fourth Proportional to 4,478,801.36, 6,717,094.72 and 1,919,726.08
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Solution
The fourth proportional to 4,478,801.36, 6,717,094.72 and 1,919,726.08 is: 2,879,114.50
Step by Step Solution
- Step 1: Write the proportion equation
4,478,801.36 : 6,717,094.72 = 1,919,726.08 : x - Step 2: Convert to fraction form
4,478,801.36/6,717,094.72 = 1,919,726.08/x - Step 3: Cross multiply
4,478,801.36x = 6,717,094.72 × 1,919,726.08 - Step 4: Simplify right side
4,478,801.36x = 12,894,981,915,814.30 - Step 5: Solve for x
x = 12,894,981,915,814.30/4,478,801.36 - Step 6: Final answer
x = 2,879,114.50
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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.