Finding the Fourth Proportional to 4,839,973.47, 6,679,553.80 and 2,775,181.15
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Solution
The fourth proportional to 4,839,973.47, 6,679,553.80 and 2,775,181.15 is: 3,829,973.84
Step by Step Solution
- Step 1: Write the proportion equation
4,839,973.47 : 6,679,553.80 = 2,775,181.15 : x - Step 2: Convert to fraction form
4,839,973.47/6,679,553.80 = 2,775,181.15/x - Step 3: Cross multiply
4,839,973.47x = 6,679,553.80 × 2,775,181.15 - Step 4: Simplify right side
4,839,973.47x = 18,536,971,796,170.87 - Step 5: Solve for x
x = 18,536,971,796,170.87/4,839,973.47 - Step 6: Final answer
x = 3,829,973.84
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1.5x scale
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.