Finding the Fourth Proportional to 2,750,419.12, 4,126,473.60 and 1,312,936.96
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Solution
The fourth proportional to 2,750,419.12, 4,126,473.60 and 1,312,936.96 is: 1,969,808.77
Step by Step Solution
- Step 1: Write the proportion equation
2,750,419.12 : 4,126,473.60 = 1,312,936.96 : x - Step 2: Convert to fraction form
2,750,419.12/4,126,473.60 = 1,312,936.96/x - Step 3: Cross multiply
2,750,419.12x = 4,126,473.60 × 1,312,936.96 - Step 4: Simplify right side
2,750,419.12x = 5,417,799,703,904.26 - Step 5: Solve for x
x = 5,417,799,703,904.26/2,750,419.12 - Step 6: Final answer
x = 1,969,808.77
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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.