Finding the Fourth Proportional to 2,409,393.76, 3,614,071.16 and 612,282.40
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Solution
The fourth proportional to 2,409,393.76, 3,614,071.16 and 612,282.40 is: 918,418.65
Step by Step Solution
- Step 1: Write the proportion equation
2,409,393.76 : 3,614,071.16 = 612,282.40 : x - Step 2: Convert to fraction form
2,409,393.76/3,614,071.16 = 612,282.40/x - Step 3: Cross multiply
2,409,393.76x = 3,614,071.16 × 612,282.40 - Step 4: Simplify right side
2,409,393.76x = 2,212,832,163,615.58 - Step 5: Solve for x
x = 2,212,832,163,615.58/2,409,393.76 - Step 6: Final answer
x = 918,418.65
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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.