Finding the Fourth Proportional to 1,968,778.13, 2,716,915.64 and 1,063,360.13
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Solution
The fourth proportional to 1,968,778.13, 2,716,915.64 and 1,063,360.13 is: 1,467,437.96
Step by Step Solution
- Step 1: Write the proportion equation
1,968,778.13 : 2,716,915.64 = 1,063,360.13 : x - Step 2: Convert to fraction form
1,968,778.13/2,716,915.64 = 1,063,360.13/x - Step 3: Cross multiply
1,968,778.13x = 2,716,915.64 × 1,063,360.13 - Step 4: Simplify right side
1,968,778.13x = 2,889,059,749,248.05 - Step 5: Solve for x
x = 2,889,059,749,248.05/1,968,778.13 - Step 6: Final answer
x = 1,467,437.96
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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.