Finding the Fourth Proportional to 1,580,905.42, 2,181,650.79 and 855,750.91
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Solution
The fourth proportional to 1,580,905.42, 2,181,650.79 and 855,750.91 is: 1,180,936.97
Step by Step Solution
- Step 1: Write the proportion equation
1,580,905.42 : 2,181,650.79 = 855,750.91 : x - Step 2: Convert to fraction form
1,580,905.42/2,181,650.79 = 855,750.91/x - Step 3: Cross multiply
1,580,905.42x = 2,181,650.79 × 855,750.91 - Step 4: Simplify right side
1,580,905.42x = 1,866,949,648,844.72 - Step 5: Solve for x
x = 1,866,949,648,844.72/1,580,905.42 - Step 6: Final answer
x = 1,180,936.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.