Finding the Fourth Proportional to 5,065,656.22, 6,990,607.09 and 2,742,548.28
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Solution
The fourth proportional to 5,065,656.22, 6,990,607.09 and 2,742,548.28 is: 3,784,717.44
Step by Step Solution
- Step 1: Write the proportion equation
5,065,656.22 : 6,990,607.09 = 2,742,548.28 : x - Step 2: Convert to fraction form
5,065,656.22/6,990,607.09 = 2,742,548.28/x - Step 3: Cross multiply
5,065,656.22x = 6,990,607.09 × 2,742,548.28 - Step 4: Simplify right side
5,065,656.22x = 19,172,077,450,835.30 - Step 5: Solve for x
x = 19,172,077,450,835.30/5,065,656.22 - Step 6: Final answer
x = 3,784,717.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.