Finding the Fourth Proportional to 4,682,156.80, 6,461,900.80 and 2,645,097.60
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Solution
The fourth proportional to 4,682,156.80, 6,461,900.80 and 2,645,097.60 is: 3,650,530.95
Step by Step Solution
- Step 1: Write the proportion equation
4,682,156.80 : 6,461,900.80 = 2,645,097.60 : x - Step 2: Convert to fraction form
4,682,156.80/6,461,900.80 = 2,645,097.60/x - Step 3: Cross multiply
4,682,156.80x = 6,461,900.80 × 2,645,097.60 - Step 4: Simplify right side
4,682,156.80x = 17,092,358,297,518.08 - Step 5: Solve for x
x = 17,092,358,297,518.08/4,682,156.80 - Step 6: Final answer
x = 3,650,530.95
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1.5x scale
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.