Finding the Fourth Proportional to 6,445,089.14, 8,894,045.36 and 3,544,479.94
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Solution
The fourth proportional to 6,445,089.14, 8,894,045.36 and 3,544,479.94 is: 4,891,284.62
Step by Step Solution
- Step 1: Write the proportion equation
6,445,089.14 : 8,894,045.36 = 3,544,479.94 : x - Step 2: Convert to fraction form
6,445,089.14/8,894,045.36 = 3,544,479.94/x - Step 3: Cross multiply
6,445,089.14x = 8,894,045.36 × 3,544,479.94 - Step 4: Simplify right side
6,445,089.14x = 31,524,765,363,970.07 - Step 5: Solve for x
x = 31,524,765,363,970.07/6,445,089.14 - Step 6: Final answer
x = 4,891,284.62
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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.