Finding the Fourth Proportional to 6,811,977.12, 9,400,459.97 and 3,714,492.88
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Solution
The fourth proportional to 6,811,977.12, 9,400,459.97 and 3,714,492.88 is: 5,125,962.84
Step by Step Solution
- Step 1: Write the proportion equation
6,811,977.12 : 9,400,459.97 = 3,714,492.88 : x - Step 2: Convert to fraction form
6,811,977.12/9,400,459.97 = 3,714,492.88/x - Step 3: Cross multiply
6,811,977.12x = 9,400,459.97 × 3,714,492.88 - Step 4: Simplify right side
6,811,977.12x = 34,917,941,580,287.71 - Step 5: Solve for x
x = 34,917,941,580,287.71/6,811,977.12 - Step 6: Final answer
x = 5,125,962.84
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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.