Finding the Fourth Proportional to 7,189,204.92, 10,780,809.30 and 2,926,479.48
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Solution
The fourth proportional to 7,189,204.92, 10,780,809.30 and 2,926,479.48 is: 4,388,498.80
Step by Step Solution
- Step 1: Write the proportion equation
7,189,204.92 : 10,780,809.30 = 2,926,479.48 : x - Step 2: Convert to fraction form
7,189,204.92/10,780,809.30 = 2,926,479.48/x - Step 3: Cross multiply
7,189,204.92x = 10,780,809.30 × 2,926,479.48 - Step 4: Simplify right side
7,189,204.92x = 31,549,817,194,243.16 - Step 5: Solve for x
x = 31,549,817,194,243.16/7,189,204.92 - Step 6: Final answer
x = 4,388,498.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.