Finding the Fourth Proportional to 1,992,888.96, 2,750,160.96 and 1,087,455.36
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Solution
The fourth proportional to 1,992,888.96, 2,750,160.96 and 1,087,455.36 is: 1,500,674.32
Step by Step Solution
- Step 1: Write the proportion equation
1,992,888.96 : 2,750,160.96 = 1,087,455.36 : x - Step 2: Convert to fraction form
1,992,888.96/2,750,160.96 = 1,087,455.36/x - Step 3: Cross multiply
1,992,888.96x = 2,750,160.96 × 1,087,455.36 - Step 4: Simplify right side
1,992,888.96x = 2,990,677,276,814.75 - Step 5: Solve for x
x = 2,990,677,276,814.75/1,992,888.96 - Step 6: Final answer
x = 1,500,674.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.