Finding the Fourth Proportional to 4,905,672.29, 6,769,827.72 and 2,730,729.23
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Solution
The fourth proportional to 4,905,672.29, 6,769,827.72 and 2,730,729.23 is: 3,768,406.32
Step by Step Solution
- Step 1: Write the proportion equation
4,905,672.29 : 6,769,827.72 = 2,730,729.23 : x - Step 2: Convert to fraction form
4,905,672.29/6,769,827.72 = 2,730,729.23/x - Step 3: Cross multiply
4,905,672.29x = 6,769,827.72 × 2,730,729.23 - Step 4: Simplify right side
4,905,672.29x = 18,486,566,437,068.25 - Step 5: Solve for x
x = 18,486,566,437,068.25/4,905,672.29 - Step 6: Final answer
x = 3,768,406.32
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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.