Finding the Fourth Proportional to 6,319,144.84, 8,720,400.82 and 3,418,535.08
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Solution
The fourth proportional to 6,319,144.84, 8,720,400.82 and 3,418,535.08 is: 4,717,568.10
Step by Step Solution
- Step 1: Write the proportion equation
6,319,144.84 : 8,720,400.82 = 3,418,535.08 : x - Step 2: Convert to fraction form
6,319,144.84/8,720,400.82 = 3,418,535.08/x - Step 3: Cross multiply
6,319,144.84x = 8,720,400.82 × 3,418,535.08 - Step 4: Simplify right side
6,319,144.84x = 29,810,996,114,830.77 - Step 5: Solve for x
x = 29,810,996,114,830.77/6,319,144.84 - Step 6: Final answer
x = 4,717,568.10
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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.