Finding the Fourth Proportional to 4,992,746.85, 6,889,967.33 and 2,700,887.49
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Solution
The fourth proportional to 4,992,746.85, 6,889,967.33 and 2,700,887.49 is: 3,727,212.12
Step by Step Solution
- Step 1: Write the proportion equation
4,992,746.85 : 6,889,967.33 = 2,700,887.49 : x - Step 2: Convert to fraction form
4,992,746.85/6,889,967.33 = 2,700,887.49/x - Step 3: Cross multiply
4,992,746.85x = 6,889,967.33 × 2,700,887.49 - Step 4: Simplify right side
4,992,746.85x = 18,609,026,554,601.27 - Step 5: Solve for x
x = 18,609,026,554,601.27/4,992,746.85 - Step 6: Final answer
x = 3,727,212.12
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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.