Finding the Fourth Proportional to 6,619,924.08, 9,929,871.36 and 1,762,231.62
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Solution
The fourth proportional to 6,619,924.08, 9,929,871.36 and 1,762,231.62 is: 2,643,343.50
Step by Step Solution
- Step 1: Write the proportion equation
6,619,924.08 : 9,929,871.36 = 1,762,231.62 : x - Step 2: Convert to fraction form
6,619,924.08/9,929,871.36 = 1,762,231.62/x - Step 3: Cross multiply
6,619,924.08x = 9,929,871.36 × 1,762,231.62 - Step 4: Simplify right side
6,619,924.08x = 17,498,733,293,124.40 - Step 5: Solve for x
x = 17,498,733,293,124.40/6,619,924.08 - Step 6: Final answer
x = 2,643,343.50
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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.