Finding the Fourth Proportional to 1,891,231.84, 2,609,808.96 and 1,031,740.84
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Solution
The fourth proportional to 1,891,231.84, 2,609,808.96 and 1,031,740.84 is: 1,423,752.73
Step by Step Solution
- Step 1: Write the proportion equation
1,891,231.84 : 2,609,808.96 = 1,031,740.84 : x - Step 2: Convert to fraction form
1,891,231.84/2,609,808.96 = 1,031,740.84/x - Step 3: Cross multiply
1,891,231.84x = 2,609,808.96 × 1,031,740.84 - Step 4: Simplify right side
1,891,231.84x = 2,692,646,488,629.93 - Step 5: Solve for x
x = 2,692,646,488,629.93/1,891,231.84 - Step 6: Final answer
x = 1,423,752.73
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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.