Finding the Fourth Proportional to 3,612,417.84, 5,414,833.66 and 1,215,430.36
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Solution
The fourth proportional to 3,612,417.84, 5,414,833.66 and 1,215,430.36 is: 1,821,869.32
Step by Step Solution
- Step 1: Write the proportion equation
3,612,417.84 : 5,414,833.66 = 1,215,430.36 : x - Step 2: Convert to fraction form
3,612,417.84/5,414,833.66 = 1,215,430.36/x - Step 3: Cross multiply
3,612,417.84x = 5,414,833.66 × 1,215,430.36 - Step 4: Simplify right side
3,612,417.84x = 6,581,353,224,713.92 - Step 5: Solve for x
x = 6,581,353,224,713.92/3,612,417.84 - Step 6: Final answer
x = 1,821,869.32
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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.