Finding the Fourth Proportional to 3,670,752.56, 5,506,128.84 and 1,427,415.44
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Solution
The fourth proportional to 3,670,752.56, 5,506,128.84 and 1,427,415.44 is: 2,141,123.16
Step by Step Solution
- Step 1: Write the proportion equation
3,670,752.56 : 5,506,128.84 = 1,427,415.44 : x - Step 2: Convert to fraction form
3,670,752.56/5,506,128.84 = 1,427,415.44/x - Step 3: Cross multiply
3,670,752.56x = 5,506,128.84 × 1,427,415.44 - Step 4: Simplify right side
3,670,752.56x = 7,859,533,320,845.29 - Step 5: Solve for x
x = 7,859,533,320,845.29/3,670,752.56 - Step 6: Final answer
x = 2,141,123.16
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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.