Finding the Fourth Proportional to 7,000,757.25, 10,502,907.35 and 1,952,067.75
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Solution
The fourth proportional to 7,000,757.25, 10,502,907.35 and 1,952,067.75 is: 2,928,595.58
Step by Step Solution
- Step 1: Write the proportion equation
7,000,757.25 : 10,502,907.35 = 1,952,067.75 : x - Step 2: Convert to fraction form
7,000,757.25/10,502,907.35 = 1,952,067.75/x - Step 3: Cross multiply
7,000,757.25x = 10,502,907.35 × 1,952,067.75 - Step 4: Simplify right side
7,000,757.25x = 20,502,386,709,412.62 - Step 5: Solve for x
x = 20,502,386,709,412.62/7,000,757.25 - Step 6: Final answer
x = 2,928,595.58
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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.