Finding the Fourth Proportional to 6,498,139.87, 8,964,616.98 and 3,918,387.46
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Solution
The fourth proportional to 6,498,139.87, 8,964,616.98 and 3,918,387.46 is: 5,405,676.62
Step by Step Solution
- Step 1: Write the proportion equation
6,498,139.87 : 8,964,616.98 = 3,918,387.46 : x - Step 2: Convert to fraction form
6,498,139.87/8,964,616.98 = 3,918,387.46/x - Step 3: Cross multiply
6,498,139.87x = 8,964,616.98 × 3,918,387.46 - Step 4: Simplify right side
6,498,139.87x = 35,126,842,758,135.07 - Step 5: Solve for x
x = 35,126,842,758,135.07/6,498,139.87 - Step 6: Final answer
x = 5,405,676.62
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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.