Finding the Fourth Proportional to 3,395,789.84, 4,686,855.36 and 1,946,455.94
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Solution
The fourth proportional to 3,395,789.84, 4,686,855.36 and 1,946,455.94 is: 2,686,490.59
Step by Step Solution
- Step 1: Write the proportion equation
3,395,789.84 : 4,686,855.36 = 1,946,455.94 : x - Step 2: Convert to fraction form
3,395,789.84/4,686,855.36 = 1,946,455.94/x - Step 3: Cross multiply
3,395,789.84x = 4,686,855.36 × 1,946,455.94 - Step 4: Simplify right side
3,395,789.84x = 9,122,757,455,392.84 - Step 5: Solve for x
x = 9,122,757,455,392.84/3,395,789.84 - Step 6: Final answer
x = 2,686,490.59
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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.