Finding the Fourth Proportional to 6,445,467.36, 8,894,967.84 and 3,545,077.68
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Solution
The fourth proportional to 6,445,467.36, 8,894,967.84 and 3,545,077.68 is: 4,892,329.79
Step by Step Solution
- Step 1: Write the proportion equation
6,445,467.36 : 8,894,967.84 = 3,545,077.68 : x - Step 2: Convert to fraction form
6,445,467.36/8,894,967.84 = 3,545,077.68/x - Step 3: Cross multiply
6,445,467.36x = 8,894,967.84 × 3,545,077.68 - Step 4: Simplify right side
6,445,467.36x = 31,533,351,953,901.81 - Step 5: Solve for x
x = 31,533,351,953,901.81/6,445,467.36 - Step 6: Final answer
x = 4,892,329.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.