Finding the Fourth Proportional to 6,464,624.40, 8,921,243.88 and 3,564,127.80
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Solution
The fourth proportional to 6,464,624.40, 8,921,243.88 and 3,564,127.80 is: 4,918,530.66
Step by Step Solution
- Step 1: Write the proportion equation
6,464,624.40 : 8,921,243.88 = 3,564,127.80 : x - Step 2: Convert to fraction form
6,464,624.40/8,921,243.88 = 3,564,127.80/x - Step 3: Cross multiply
6,464,624.40x = 8,921,243.88 × 3,564,127.80 - Step 4: Simplify right side
6,464,624.40x = 31,796,453,323,287.87 - Step 5: Solve for x
x = 31,796,453,323,287.87/6,464,624.40 - Step 6: Final answer
x = 4,918,530.66
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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.