Finding the Fourth Proportional to 1,659,743.18, 2,290,663.85 and 934,732.62
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Solution
The fourth proportional to 1,659,743.18, 2,290,663.85 and 934,732.62 is: 1,290,053.94
Step by Step Solution
- Step 1: Write the proportion equation
1,659,743.18 : 2,290,663.85 = 934,732.62 : x - Step 2: Convert to fraction form
1,659,743.18/2,290,663.85 = 934,732.62/x - Step 3: Cross multiply
1,659,743.18x = 2,290,663.85 × 934,732.62 - Step 4: Simplify right side
1,659,743.18x = 2,141,158,217,376.12 - Step 5: Solve for x
x = 2,141,158,217,376.12/1,659,743.18 - Step 6: Final answer
x = 1,290,053.94
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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.