Finding the Fourth Proportional to 4,971,972.58, 6,861,254.25 and 2,796,515.08
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Solution
The fourth proportional to 4,971,972.58, 6,861,254.25 and 2,796,515.08 is: 3,859,152.61
Step by Step Solution
- Step 1: Write the proportion equation
4,971,972.58 : 6,861,254.25 = 2,796,515.08 : x - Step 2: Convert to fraction form
4,971,972.58/6,861,254.25 = 2,796,515.08/x - Step 3: Cross multiply
4,971,972.58x = 6,861,254.25 × 2,796,515.08 - Step 4: Simplify right side
4,971,972.58x = 19,187,600,977,839.09 - Step 5: Solve for x
x = 19,187,600,977,839.09/4,971,972.58 - Step 6: Final answer
x = 3,859,152.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.