Finding the Fourth Proportional to 4,890,239.32, 7,335,012.54 and 1,295,926.60
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Solution
The fourth proportional to 4,890,239.32, 7,335,012.54 and 1,295,926.60 is: 1,943,798.09
Step by Step Solution
- Step 1: Write the proportion equation
4,890,239.32 : 7,335,012.54 = 1,295,926.60 : x - Step 2: Convert to fraction form
4,890,239.32/7,335,012.54 = 1,295,926.60/x - Step 3: Cross multiply
4,890,239.32x = 7,335,012.54 × 1,295,926.60 - Step 4: Simplify right side
4,890,239.32x = 9,505,637,861,919.57 - Step 5: Solve for x
x = 9,505,637,861,919.57/4,890,239.32 - Step 6: Final answer
x = 1,943,798.09
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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.