Finding the Fourth Proportional to 4,398,367.84, 6,069,739.68 and 2,679,488.32
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Solution
The fourth proportional to 4,398,367.84, 6,069,739.68 and 2,679,488.32 is: 3,697,689.05
Step by Step Solution
- Step 1: Write the proportion equation
4,398,367.84 : 6,069,739.68 = 2,679,488.32 : x - Step 2: Convert to fraction form
4,398,367.84/6,069,739.68 = 2,679,488.32/x - Step 3: Cross multiply
4,398,367.84x = 6,069,739.68 × 2,679,488.32 - Step 4: Simplify right side
4,398,367.84x = 16,263,796,578,000.54 - Step 5: Solve for x
x = 16,263,796,578,000.54/4,398,367.84 - Step 6: Final answer
x = 3,697,689.05
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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.