Finding the Fourth Proportional to 6,506,782.72, 8,979,360.99 and 3,606,360.84
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Solution
The fourth proportional to 6,506,782.72, 8,979,360.99 and 3,606,360.84 is: 4,976,778.42
Step by Step Solution
- Step 1: Write the proportion equation
6,506,782.72 : 8,979,360.99 = 3,606,360.84 : x - Step 2: Convert to fraction form
6,506,782.72/8,979,360.99 = 3,606,360.84/x - Step 3: Cross multiply
6,506,782.72x = 8,979,360.99 × 3,606,360.84 - Step 4: Simplify right side
6,506,782.72x = 32,382,815,842,559.63 - Step 5: Solve for x
x = 32,382,815,842,559.63/6,506,782.72 - Step 6: Final answer
x = 4,976,778.42
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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.