Finding the Fourth Proportional to 2,138,952.68, 3,208,394.58 and 519,734.32
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Solution
The fourth proportional to 2,138,952.68, 3,208,394.58 and 519,734.32 is: 779,593.11
Step by Step Solution
- Step 1: Write the proportion equation
2,138,952.68 : 3,208,394.58 = 519,734.32 : x - Step 2: Convert to fraction form
2,138,952.68/3,208,394.58 = 519,734.32/x - Step 3: Cross multiply
2,138,952.68x = 3,208,394.58 × 519,734.32 - Step 4: Simplify right side
2,138,952.68x = 1,667,512,775,327.99 - Step 5: Solve for x
x = 1,667,512,775,327.99/2,138,952.68 - Step 6: Final answer
x = 779,593.11
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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.