Finding the Fourth Proportional to 6,461,874.59, 8,918,710.19 and 3,849,908.79
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Solution
The fourth proportional to 6,461,874.59, 8,918,710.19 and 3,849,908.79 is: 5,313,662.50
Step by Step Solution
- Step 1: Write the proportion equation
6,461,874.59 : 8,918,710.19 = 3,849,908.79 : x - Step 2: Convert to fraction form
6,461,874.59/8,918,710.19 = 3,849,908.79/x - Step 3: Cross multiply
6,461,874.59x = 8,918,710.19 × 3,849,908.79 - Step 4: Simplify right side
6,461,874.59x = 34,336,220,711,350.02 - Step 5: Solve for x
x = 34,336,220,711,350.02/6,461,874.59 - Step 6: Final answer
x = 5,313,662.50
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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.