Finding the Fourth Proportional to 1,990,282.24, 2,985,889.92 and 792,277.76
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Solution
The fourth proportional to 1,990,282.24, 2,985,889.92 and 792,277.76 is: 1,188,602.36
Step by Step Solution
- Step 1: Write the proportion equation
1,990,282.24 : 2,985,889.92 = 792,277.76 : x - Step 2: Convert to fraction form
1,990,282.24/2,985,889.92 = 792,277.76/x - Step 3: Cross multiply
1,990,282.24x = 2,985,889.92 × 792,277.76 - Step 4: Simplify right side
1,990,282.24x = 2,365,654,177,424.18 - Step 5: Solve for x
x = 2,365,654,177,424.18/1,990,282.24 - Step 6: Final answer
x = 1,188,602.36
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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.