Finding the Fourth Proportional to 3,380,985.64, 5,069,873.04 and 1,961,476.84
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Solution
The fourth proportional to 3,380,985.64, 5,069,873.04 and 1,961,476.84 is: 2,941,283.88
Step by Step Solution
- Step 1: Write the proportion equation
3,380,985.64 : 5,069,873.04 = 1,961,476.84 : x - Step 2: Convert to fraction form
3,380,985.64/5,069,873.04 = 1,961,476.84/x - Step 3: Cross multiply
3,380,985.64x = 5,069,873.04 × 1,961,476.84 - Step 4: Simplify right side
3,380,985.64x = 9,944,438,549,700.40 - Step 5: Solve for x
x = 9,944,438,549,700.40/3,380,985.64 - Step 6: Final answer
x = 2,941,283.88
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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.