Finding the Fourth Proportional to 1,992,840.96, 2,750,094.72 and 1,087,407.36
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Solution
The fourth proportional to 1,992,840.96, 2,750,094.72 and 1,087,407.36 is: 1,500,608.08
Step by Step Solution
- Step 1: Write the proportion equation
1,992,840.96 : 2,750,094.72 = 1,087,407.36 : x - Step 2: Convert to fraction form
1,992,840.96/2,750,094.72 = 1,087,407.36/x - Step 3: Cross multiply
1,992,840.96x = 2,750,094.72 × 1,087,407.36 - Step 4: Simplify right side
1,992,840.96x = 2,990,473,239,225.14 - Step 5: Solve for x
x = 2,990,473,239,225.14/1,992,840.96 - Step 6: Final answer
x = 1,500,608.08
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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.