Finding the Fourth Proportional to 4,990,964.06, 6,887,551.18 and 2,699,124.78
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Solution
The fourth proportional to 4,990,964.06, 6,887,551.18 and 2,699,124.78 is: 3,724,803.43
Step by Step Solution
- Step 1: Write the proportion equation
4,990,964.06 : 6,887,551.18 = 2,699,124.78 : x - Step 2: Convert to fraction form
4,990,964.06/6,887,551.18 = 2,699,124.78/x - Step 3: Cross multiply
4,990,964.06x = 6,887,551.18 × 2,699,124.78 - Step 4: Simplify right side
4,990,964.06x = 18,590,360,063,456.24 - Step 5: Solve for x
x = 18,590,360,063,456.24/4,990,964.06 - Step 6: Final answer
x = 3,724,803.43
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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.