Finding the Fourth Proportional to 6,445,041.62, 8,893,979.82 and 3,544,432.43
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Solution
The fourth proportional to 6,445,041.62, 8,893,979.82 and 3,544,432.43 is: 4,891,219.07
Step by Step Solution
- Step 1: Write the proportion equation
6,445,041.62 : 8,893,979.82 = 3,544,432.43 : x - Step 2: Convert to fraction form
6,445,041.62/8,893,979.82 = 3,544,432.43/x - Step 3: Cross multiply
6,445,041.62x = 8,893,979.82 × 3,544,432.43 - Step 4: Simplify right side
6,445,041.62x = 31,524,110,461,303.66 - Step 5: Solve for x
x = 31,524,110,461,303.66/6,445,041.62 - Step 6: Final answer
x = 4,891,219.07
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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.