Finding the Fourth Proportional to 4,814,165.53, 6,644,228.88 and 2,979,214.82
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Solution
The fourth proportional to 4,814,165.53, 6,644,228.88 and 2,979,214.82 is: 4,111,737.54
Step by Step Solution
- Step 1: Write the proportion equation
4,814,165.53 : 6,644,228.88 = 2,979,214.82 : x - Step 2: Convert to fraction form
4,814,165.53/6,644,228.88 = 2,979,214.82/x - Step 3: Cross multiply
4,814,165.53x = 6,644,228.88 × 2,979,214.82 - Step 4: Simplify right side
4,814,165.53x = 19,794,585,146,768 - Step 5: Solve for x
x = 19,794,585,146,768/4,814,165.53 - Step 6: Final answer
x = 4,111,737.54
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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.