Finding the Fourth Proportional to 1,891,191.84, 2,609,753.76 and 1,031,700.84
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Solution
The fourth proportional to 1,891,191.84, 2,609,753.76 and 1,031,700.84 is: 1,423,697.53
Step by Step Solution
- Step 1: Write the proportion equation
1,891,191.84 : 2,609,753.76 = 1,031,700.84 : x - Step 2: Convert to fraction form
1,891,191.84/2,609,753.76 = 1,031,700.84/x - Step 3: Cross multiply
1,891,191.84x = 2,609,753.76 × 1,031,700.84 - Step 4: Simplify right side
1,891,191.84x = 2,692,485,146,385.16 - Step 5: Solve for x
x = 2,692,485,146,385.16/1,891,191.84 - Step 6: Final answer
x = 1,423,697.53
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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.