Finding the Fourth Proportional to 1,968,688.64, 2,717,040.84 and 1,109,460.08
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Solution
The fourth proportional to 1,968,688.64, 2,717,040.84 and 1,109,460.08 is: 1,531,196.09
Step by Step Solution
- Step 1: Write the proportion equation
1,968,688.64 : 2,717,040.84 = 1,109,460.08 : x - Step 2: Convert to fraction form
1,968,688.64/2,717,040.84 = 1,109,460.08/x - Step 3: Cross multiply
1,968,688.64x = 2,717,040.84 × 1,109,460.08 - Step 4: Simplify right side
1,968,688.64x = 3,014,448,347,709.67 - Step 5: Solve for x
x = 3,014,448,347,709.67/1,968,688.64 - Step 6: Final answer
x = 1,531,196.09
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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.