Finding the Fourth Proportional to 3,219,476.08, 4,442,960.28 and 1,769,211.76
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Solution
The fourth proportional to 3,219,476.08, 4,442,960.28 and 1,769,211.76 is: 2,441,558.00
Step by Step Solution
- Step 1: Write the proportion equation
3,219,476.08 : 4,442,960.28 = 1,769,211.76 : x - Step 2: Convert to fraction form
3,219,476.08/4,442,960.28 = 1,769,211.76/x - Step 3: Cross multiply
3,219,476.08x = 4,442,960.28 × 1,769,211.76 - Step 4: Simplify right side
3,219,476.08x = 7,860,537,576,588.89 - Step 5: Solve for x
x = 7,860,537,576,588.89/3,219,476.08 - Step 6: Final answer
x = 2,441,558.00
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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.