Finding the Fourth Proportional to 1,612,885.37, 2,225,781.68 and 877,844.91
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Solution
The fourth proportional to 1,612,885.37, 2,225,781.68 and 877,844.91 is: 1,211,425.90
Step by Step Solution
- Step 1: Write the proportion equation
1,612,885.37 : 2,225,781.68 = 877,844.91 : x - Step 2: Convert to fraction form
1,612,885.37/2,225,781.68 = 877,844.91/x - Step 3: Cross multiply
1,612,885.37x = 2,225,781.68 × 877,844.91 - Step 4: Simplify right side
1,612,885.37x = 1,953,891,114,170.02 - Step 5: Solve for x
x = 1,953,891,114,170.02/1,612,885.37 - Step 6: Final answer
x = 1,211,425.90
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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.