Finding the Fourth Proportional to 6,197,266.90, 8,553,242.52 and 5,163,134.82
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Solution
The fourth proportional to 6,197,266.90, 8,553,242.52 and 5,163,134.82 is: 7,125,971.01
Step by Step Solution
- Step 1: Write the proportion equation
6,197,266.90 : 8,553,242.52 = 5,163,134.82 : x - Step 2: Convert to fraction form
6,197,266.90/8,553,242.52 = 5,163,134.82/x - Step 3: Cross multiply
6,197,266.90x = 8,553,242.52 × 5,163,134.82 - Step 4: Simplify right side
6,197,266.90x = 44,161,544,278,916.55 - Step 5: Solve for x
x = 44,161,544,278,916.55/6,197,266.90 - Step 6: Final answer
x = 7,125,971.01
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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.