Finding the Fourth Proportional to 3,321,903.08, 4,985,954.36 and 1,703,886.68
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Solution
The fourth proportional to 3,321,903.08, 4,985,954.36 and 1,703,886.68 is: 2,557,419.95
Step by Step Solution
- Step 1: Write the proportion equation
3,321,903.08 : 4,985,954.36 = 1,703,886.68 : x - Step 2: Convert to fraction form
3,321,903.08/4,985,954.36 = 1,703,886.68/x - Step 3: Cross multiply
3,321,903.08x = 4,985,954.36 × 1,703,886.68 - Step 4: Simplify right side
3,321,903.08x = 8,495,501,221,091.93 - Step 5: Solve for x
x = 8,495,501,221,091.93/3,321,903.08 - Step 6: Final answer
x = 2,557,419.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.