Finding the Fourth Proportional to 6,643,009.20, 9,964,513.80 and 3,283,777.20
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Solution
The fourth proportional to 6,643,009.20, 9,964,513.80 and 3,283,777.20 is: 4,925,665.80
Step by Step Solution
- Step 1: Write the proportion equation
6,643,009.20 : 9,964,513.80 = 3,283,777.20 : x - Step 2: Convert to fraction form
6,643,009.20/9,964,513.80 = 3,283,777.20/x - Step 3: Cross multiply
6,643,009.20x = 9,964,513.80 × 3,283,777.20 - Step 4: Simplify right side
6,643,009.20x = 32,721,243,225,525.36 - Step 5: Solve for x
x = 32,721,243,225,525.36/6,643,009.20 - Step 6: Final answer
x = 4,925,665.80
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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.