Finding the Fourth Proportional to 2,281,294.09, 3,148,188.69 and 1,421,853.67
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Solution
The fourth proportional to 2,281,294.09, 3,148,188.69 and 1,421,853.67 is: 1,962,159.84
Step by Step Solution
- Step 1: Write the proportion equation
2,281,294.09 : 3,148,188.69 = 1,421,853.67 : x - Step 2: Convert to fraction form
2,281,294.09/3,148,188.69 = 1,421,853.67/x - Step 3: Cross multiply
2,281,294.09x = 3,148,188.69 × 1,421,853.67 - Step 4: Simplify right side
2,281,294.09x = 4,476,263,642,728.99 - Step 5: Solve for x
x = 4,476,263,642,728.99/2,281,294.09 - Step 6: Final answer
x = 1,962,159.84
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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.