Finding the Fourth Proportional to 4,608,248.68, 6,911,765.88 and 1,369,717.21
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Solution
The fourth proportional to 4,608,248.68, 6,911,765.88 and 1,369,717.21 is: 2,054,395.35
Step by Step Solution
- Step 1: Write the proportion equation
4,608,248.68 : 6,911,765.88 = 1,369,717.21 : x - Step 2: Convert to fraction form
4,608,248.68/6,911,765.88 = 1,369,717.21/x - Step 3: Cross multiply
4,608,248.68x = 6,911,765.88 × 1,369,717.21 - Step 4: Simplify right side
4,608,248.68x = 9,467,164,677,326.80 - Step 5: Solve for x
x = 9,467,164,677,326.80/4,608,248.68 - Step 6: Final answer
x = 2,054,395.35
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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.