Finding the Fourth Proportional to 2,768,794.92, 3,820,929.80 and 1,545,087.56
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Solution
The fourth proportional to 2,768,794.92, 3,820,929.80 and 1,545,087.56 is: 2,132,216.82
Step by Step Solution
- Step 1: Write the proportion equation
2,768,794.92 : 3,820,929.80 = 1,545,087.56 : x - Step 2: Convert to fraction form
2,768,794.92/3,820,929.80 = 1,545,087.56/x - Step 3: Cross multiply
2,768,794.92x = 3,820,929.80 × 1,545,087.56 - Step 4: Simplify right side
2,768,794.92x = 5,903,671,101,613.29 - Step 5: Solve for x
x = 5,903,671,101,613.29/2,768,794.92 - Step 6: Final answer
x = 2,132,216.82
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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.