Finding the Fourth Proportional to 1,580,470.42, 2,181,056.14 and 855,318.24
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Solution
The fourth proportional to 1,580,470.42, 2,181,056.14 and 855,318.24 is: 1,180,342.94
Step by Step Solution
- Step 1: Write the proportion equation
1,580,470.42 : 2,181,056.14 = 855,318.24 : x - Step 2: Convert to fraction form
1,580,470.42/2,181,056.14 = 855,318.24/x - Step 3: Cross multiply
1,580,470.42x = 2,181,056.14 × 855,318.24 - Step 4: Simplify right side
1,580,470.42x = 1,865,497,099,005.99 - Step 5: Solve for x
x = 1,865,497,099,005.99/1,580,470.42 - Step 6: Final answer
x = 1,180,342.94
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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.