Finding the Fourth Proportional to 2,864,216.38, 3,952,516.35 and 1,575,045.49
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Solution
The fourth proportional to 2,864,216.38, 3,952,516.35 and 1,575,045.49 is: 2,173,506.55
Step by Step Solution
- Step 1: Write the proportion equation
2,864,216.38 : 3,952,516.35 = 1,575,045.49 : x - Step 2: Convert to fraction form
2,864,216.38/3,952,516.35 = 1,575,045.49/x - Step 3: Cross multiply
2,864,216.38x = 3,952,516.35 × 1,575,045.49 - Step 4: Simplify right side
2,864,216.38x = 6,225,393,051,218.76 - Step 5: Solve for x
x = 6,225,393,051,218.76/2,864,216.38 - Step 6: Final answer
x = 2,173,506.55
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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.