Finding the Fourth Proportional to 6,995,459.80, 9,653,479.64 and 3,897,823.08
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Solution
The fourth proportional to 6,995,459.80, 9,653,479.64 and 3,897,823.08 is: 5,378,853.83
Step by Step Solution
- Step 1: Write the proportion equation
6,995,459.80 : 9,653,479.64 = 3,897,823.08 : x - Step 2: Convert to fraction form
6,995,459.80/9,653,479.64 = 3,897,823.08/x - Step 3: Cross multiply
6,995,459.80x = 9,653,479.64 × 3,897,823.08 - Step 4: Simplify right side
6,995,459.80x = 37,627,555,743,102.09 - Step 5: Solve for x
x = 37,627,555,743,102.09/6,995,459.80 - Step 6: Final answer
x = 5,378,853.83
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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.