Finding the Fourth Proportional to 2,015,595.88, 2,781,522.16 and 1,110,177.88
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Solution
The fourth proportional to 2,015,595.88, 2,781,522.16 and 1,110,177.88 is: 1,532,045.39
Step by Step Solution
- Step 1: Write the proportion equation
2,015,595.88 : 2,781,522.16 = 1,110,177.88 : x - Step 2: Convert to fraction form
2,015,595.88/2,781,522.16 = 1,110,177.88/x - Step 3: Cross multiply
2,015,595.88x = 2,781,522.16 × 1,110,177.88 - Step 4: Simplify right side
2,015,595.88x = 3,087,984,374,761.82 - Step 5: Solve for x
x = 3,087,984,374,761.82/2,015,595.88 - Step 6: Final answer
x = 1,532,045.39
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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.