Finding the Fourth Proportional to 2,194,901.40, 3,292,352.10 and 2,106,327.90
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Solution
The fourth proportional to 2,194,901.40, 3,292,352.10 and 2,106,327.90 is: 3,159,491.85
Step by Step Solution
- Step 1: Write the proportion equation
2,194,901.40 : 3,292,352.10 = 2,106,327.90 : x - Step 2: Convert to fraction form
2,194,901.40/3,292,352.10 = 2,106,327.90/x - Step 3: Cross multiply
2,194,901.40x = 3,292,352.10 × 2,106,327.90 - Step 4: Simplify right side
2,194,901.40x = 6,934,773,084,853.59 - Step 5: Solve for x
x = 6,934,773,084,853.59/2,194,901.40 - Step 6: Final answer
x = 3,159,491.85
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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.