Finding the Fourth Proportional to 1,628,971.36, 2,248,250.16 and 904,051.92
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Solution
The fourth proportional to 1,628,971.36, 2,248,250.16 and 904,051.92 is: 1,247,741.32
Step by Step Solution
- Step 1: Write the proportion equation
1,628,971.36 : 2,248,250.16 = 904,051.92 : x - Step 2: Convert to fraction form
1,628,971.36/2,248,250.16 = 904,051.92/x - Step 3: Cross multiply
1,628,971.36x = 2,248,250.16 × 904,051.92 - Step 4: Simplify right side
1,628,971.36x = 2,032,534,873,788.31 - Step 5: Solve for x
x = 2,032,534,873,788.31/1,628,971.36 - Step 6: Final answer
x = 1,247,741.32
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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.