Finding the Fourth Proportional to 4,258,988.80, 6,388,496.84 and 1,064,115.31
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Solution
The fourth proportional to 4,258,988.80, 6,388,496.84 and 1,064,115.31 is: 1,596,176.37
Step by Step Solution
- Step 1: Write the proportion equation
4,258,988.80 : 6,388,496.84 = 1,064,115.31 : x - Step 2: Convert to fraction form
4,258,988.80/6,388,496.84 = 1,064,115.31/x - Step 3: Cross multiply
4,258,988.80x = 6,388,496.84 × 1,064,115.31 - Step 4: Simplify right side
4,258,988.80x = 6,798,097,295,330.62 - Step 5: Solve for x
x = 6,798,097,295,330.62/4,258,988.80 - Step 6: Final answer
x = 1,596,176.37
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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.