Finding the Fourth Proportional to 3,480,406.14, 4,802,888.07 and 1,931,577.87
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Solution
The fourth proportional to 3,480,406.14, 4,802,888.07 and 1,931,577.87 is: 2,665,537.28
Step by Step Solution
- Step 1: Write the proportion equation
3,480,406.14 : 4,802,888.07 = 1,931,577.87 : x - Step 2: Convert to fraction form
3,480,406.14/4,802,888.07 = 1,931,577.87/x - Step 3: Cross multiply
3,480,406.14x = 4,802,888.07 × 1,931,577.87 - Step 4: Simplify right side
3,480,406.14x = 9,277,152,308,099.01 - Step 5: Solve for x
x = 9,277,152,308,099.01/3,480,406.14 - Step 6: Final answer
x = 2,665,537.28
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1.5x scale
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.