Finding the Fourth Proportional to 4,283,339.87, 6,422,943.09 and 2,486,675.63
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Solution
The fourth proportional to 4,283,339.87, 6,422,943.09 and 2,486,675.63 is: 3,728,813.62
Step by Step Solution
- Step 1: Write the proportion equation
4,283,339.87 : 6,422,943.09 = 2,486,675.63 : x - Step 2: Convert to fraction form
4,283,339.87/6,422,943.09 = 2,486,675.63/x - Step 3: Cross multiply
4,283,339.87x = 6,422,943.09 × 2,486,675.63 - Step 4: Simplify right side
4,283,339.87x = 15,971,776,054,779.90 - Step 5: Solve for x
x = 15,971,776,054,779.90/4,283,339.87 - Step 6: Final answer
x = 3,728,813.62
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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.