Finding the Fourth Proportional to 1,668,071.64, 2,301,942.94 and 904,124.44
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Solution
The fourth proportional to 1,668,071.64, 2,301,942.94 and 904,124.44 is: 1,247,693.94
Step by Step Solution
- Step 1: Write the proportion equation
1,668,071.64 : 2,301,942.94 = 904,124.44 : x - Step 2: Convert to fraction form
1,668,071.64/2,301,942.94 = 904,124.44/x - Step 3: Cross multiply
1,668,071.64x = 2,301,942.94 × 904,124.44 - Step 4: Simplify right side
1,668,071.64x = 2,081,242,871,539.45 - Step 5: Solve for x
x = 2,081,242,871,539.45/1,668,071.64 - Step 6: Final answer
x = 1,247,693.94
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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.