Finding the Fourth Proportional to 1,396,170.74, 2,092,318.57 and 636,154.83
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Solution
The fourth proportional to 1,396,170.74, 2,092,318.57 and 636,154.83 is: 953,349.42
Step by Step Solution
- Step 1: Write the proportion equation
1,396,170.74 : 2,092,318.57 = 636,154.83 : x - Step 2: Convert to fraction form
1,396,170.74/2,092,318.57 = 636,154.83/x - Step 3: Cross multiply
1,396,170.74x = 2,092,318.57 × 636,154.83 - Step 4: Simplify right side
1,396,170.74x = 1,331,038,563,210.20 - Step 5: Solve for x
x = 1,331,038,563,210.20/1,396,170.74 - Step 6: Final answer
x = 953,349.42
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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.