Finding the Fourth Proportional to 6,645,207.30, 9,972,476.55 and 2,861,405.70
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Solution
The fourth proportional to 6,645,207.30, 9,972,476.55 and 2,861,405.70 is: 4,294,117.54
Step by Step Solution
- Step 1: Write the proportion equation
6,645,207.30 : 9,972,476.55 = 2,861,405.70 : x - Step 2: Convert to fraction form
6,645,207.30/9,972,476.55 = 2,861,405.70/x - Step 3: Cross multiply
6,645,207.30x = 9,972,476.55 × 2,861,405.70 - Step 4: Simplify right side
6,645,207.30x = 28,535,301,243,286.34 - Step 5: Solve for x
x = 28,535,301,243,286.34/6,645,207.30 - Step 6: Final answer
x = 4,294,117.54
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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.