Finding the Fourth Proportional to 2,219,874.84, 3,063,427.29 and 1,201,279.59
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Solution
The fourth proportional to 2,219,874.84, 3,063,427.29 and 1,201,279.59 is: 1,657,765.84
Step by Step Solution
- Step 1: Write the proportion equation
2,219,874.84 : 3,063,427.29 = 1,201,279.59 : x - Step 2: Convert to fraction form
2,219,874.84/3,063,427.29 = 1,201,279.59/x - Step 3: Cross multiply
2,219,874.84x = 3,063,427.29 × 1,201,279.59 - Step 4: Simplify right side
2,219,874.84x = 3,680,032,678,926.01 - Step 5: Solve for x
x = 3,680,032,678,926.01/2,219,874.84 - Step 6: Final answer
x = 1,657,765.84
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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.