Finding the Fourth Proportional to 1,612,446.74, 2,225,148.33 and 877,376.21
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Solution
The fourth proportional to 1,612,446.74, 2,225,148.33 and 877,376.21 is: 1,210,763.84
Step by Step Solution
- Step 1: Write the proportion equation
1,612,446.74 : 2,225,148.33 = 877,376.21 : x - Step 2: Convert to fraction form
1,612,446.74/2,225,148.33 = 877,376.21/x - Step 3: Cross multiply
1,612,446.74x = 2,225,148.33 × 877,376.21 - Step 4: Simplify right side
1,612,446.74x = 1,952,292,197,337.49 - Step 5: Solve for x
x = 1,952,292,197,337.49/1,612,446.74 - Step 6: Final answer
x = 1,210,763.84
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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.