Finding the Fourth Proportional to 3,817,378.62, 5,725,918.32 and 1,293,033.78
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Solution
The fourth proportional to 3,817,378.62, 5,725,918.32 and 1,293,033.78 is: 1,939,499.99
Step by Step Solution
- Step 1: Write the proportion equation
3,817,378.62 : 5,725,918.32 = 1,293,033.78 : x - Step 2: Convert to fraction form
3,817,378.62/5,725,918.32 = 1,293,033.78/x - Step 3: Cross multiply
3,817,378.62x = 5,725,918.32 × 1,293,033.78 - Step 4: Simplify right side
3,817,378.62x = 7,403,805,809,280.85 - Step 5: Solve for x
x = 7,403,805,809,280.85/3,817,378.62 - Step 6: Final answer
x = 1,939,499.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.