Finding the Fourth Proportional to 1,689,901.38, 2,534,856.93 and 491,853.06
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Solution
The fourth proportional to 1,689,901.38, 2,534,856.93 and 491,853.06 is: 737,781.00
Step by Step Solution
- Step 1: Write the proportion equation
1,689,901.38 : 2,534,856.93 = 491,853.06 : x - Step 2: Convert to fraction form
1,689,901.38/2,534,856.93 = 491,853.06/x - Step 3: Cross multiply
1,689,901.38x = 2,534,856.93 × 491,853.06 - Step 4: Simplify right side
1,689,901.38x = 1,246,777,137,682.71 - Step 5: Solve for x
x = 1,246,777,137,682.71/1,689,901.38 - Step 6: Final answer
x = 737,781.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.