Finding the Fourth Proportional to 3,061,278.99, 4,224,603.87 and 1,684,781.19
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Solution
The fourth proportional to 3,061,278.99, 4,224,603.87 and 1,684,781.19 is: 2,325,019.43
Step by Step Solution
- Step 1: Write the proportion equation
3,061,278.99 : 4,224,603.87 = 1,684,781.19 : x - Step 2: Convert to fraction form
3,061,278.99/4,224,603.87 = 1,684,781.19/x - Step 3: Cross multiply
3,061,278.99x = 4,224,603.87 × 1,684,781.19 - Step 4: Simplify right side
3,061,278.99x = 7,117,533,135,377.21 - Step 5: Solve for x
x = 7,117,533,135,377.21/3,061,278.99 - Step 6: Final answer
x = 2,325,019.43
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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.